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Finding the Fourth Proportional to 532,887.20, 799,330.80 and 474,826.40

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Solution

The fourth proportional to 532,887.20, 799,330.80 and 474,826.40 is: 712,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,887.20 : 799,330.80 = 474,826.40 : x
  2. Step 2: Convert to fraction form
    532,887.20/799,330.80 = 474,826.40/x
  3. Step 3: Cross multiply
    532,887.20x = 799,330.80 × 474,826.40
  4. Step 4: Simplify right side
    532,887.20x = 379,543,366,173.12
  5. Step 5: Solve for x
    x = 379,543,366,173.12/532,887.20
  6. Step 6: Final answer
    x = 712,239.60

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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.