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Finding the Fourth Proportional to 499,270.10, 748,905.15 and 473,609.30

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Solution

The fourth proportional to 499,270.10, 748,905.15 and 473,609.30 is: 710,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,270.10 : 748,905.15 = 473,609.30 : x
  2. Step 2: Convert to fraction form
    499,270.10/748,905.15 = 473,609.30/x
  3. Step 3: Cross multiply
    499,270.10x = 748,905.15 × 473,609.30
  4. Step 4: Simplify right side
    499,270.10x = 354,688,443,857.90
  5. Step 5: Solve for x
    x = 354,688,443,857.90/499,270.10
  6. Step 6: Final answer
    x = 710,413.95

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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.