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Finding the Fourth Proportional to 499,273.60, 748,910.40 and 473,612.80

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Solution

The fourth proportional to 499,273.60, 748,910.40 and 473,612.80 is: 710,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,273.60 : 748,910.40 = 473,612.80 : x
  2. Step 2: Convert to fraction form
    499,273.60/748,910.40 = 473,612.80/x
  3. Step 3: Cross multiply
    499,273.60x = 748,910.40 × 473,612.80
  4. Step 4: Simplify right side
    499,273.60x = 354,693,551,493.12
  5. Step 5: Solve for x
    x = 354,693,551,493.12/499,273.60
  6. Step 6: Final answer
    x = 710,419.20

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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.