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Finding the Fourth Proportional to 590,935.60, 886,403.40 and 555,943.60

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Solution

The fourth proportional to 590,935.60, 886,403.40 and 555,943.60 is: 833,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,935.60 : 886,403.40 = 555,943.60 : x
  2. Step 2: Convert to fraction form
    590,935.60/886,403.40 = 555,943.60/x
  3. Step 3: Cross multiply
    590,935.60x = 886,403.40 × 555,943.60
  4. Step 4: Simplify right side
    590,935.60x = 492,790,297,248.24
  5. Step 5: Solve for x
    x = 492,790,297,248.24/590,935.60
  6. Step 6: Final answer
    x = 833,915.40

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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.