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Finding the Fourth Proportional to 615,461.60, 923,192.40 and 283,685.60

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Solution

The fourth proportional to 615,461.60, 923,192.40 and 283,685.60 is: 425,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,461.60 : 923,192.40 = 283,685.60 : x
  2. Step 2: Convert to fraction form
    615,461.60/923,192.40 = 283,685.60/x
  3. Step 3: Cross multiply
    615,461.60x = 923,192.40 × 283,685.60
  4. Step 4: Simplify right side
    615,461.60x = 261,896,389,909.44
  5. Step 5: Solve for x
    x = 261,896,389,909.44/615,461.60
  6. Step 6: Final answer
    x = 425,528.40

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.