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Finding the Fourth Proportional to 461,472.60, 692,208.90 and 283,402.20

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Solution

The fourth proportional to 461,472.60, 692,208.90 and 283,402.20 is: 425,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,472.60 : 692,208.90 = 283,402.20 : x
  2. Step 2: Convert to fraction form
    461,472.60/692,208.90 = 283,402.20/x
  3. Step 3: Cross multiply
    461,472.60x = 692,208.90 × 283,402.20
  4. Step 4: Simplify right side
    461,472.60x = 196,173,525,119.58
  5. Step 5: Solve for x
    x = 196,173,525,119.58/461,472.60
  6. Step 6: Final answer
    x = 425,103.30

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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.