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Finding the Fourth Proportional to 532,870.40, 799,305.60 and 461,331.20

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Solution

The fourth proportional to 532,870.40, 799,305.60 and 461,331.20 is: 691,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,870.40 : 799,305.60 = 461,331.20 : x
  2. Step 2: Convert to fraction form
    532,870.40/799,305.60 = 461,331.20/x
  3. Step 3: Cross multiply
    532,870.40x = 799,305.60 × 461,331.20
  4. Step 4: Simplify right side
    532,870.40x = 368,744,611,614.72
  5. Step 5: Solve for x
    x = 368,744,611,614.72/532,870.40
  6. Step 6: Final answer
    x = 691,996.80

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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.