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Finding the Fourth Proportional to 532,917.76, 735,104.72 and 351,565.28

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Solution

The fourth proportional to 532,917.76, 735,104.72 and 351,565.28 is: 484,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,917.76 : 735,104.72 = 351,565.28 : x
  2. Step 2: Convert to fraction form
    532,917.76/735,104.72 = 351,565.28/x
  3. Step 3: Cross multiply
    532,917.76x = 735,104.72 × 351,565.28
  4. Step 4: Simplify right side
    532,917.76x = 258,437,296,716.12
  5. Step 5: Solve for x
    x = 258,437,296,716.12/532,917.76
  6. Step 6: Final answer
    x = 484,947.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.