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Finding the Fourth Proportional to 532,761.71, 735,199.11 and 291,045.35

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Solution

The fourth proportional to 532,761.71, 735,199.11 and 291,045.35 is: 401,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,761.71 : 735,199.11 = 291,045.35 : x
  2. Step 2: Convert to fraction form
    532,761.71/735,199.11 = 291,045.35/x
  3. Step 3: Cross multiply
    532,761.71x = 735,199.11 × 291,045.35
  4. Step 4: Simplify right side
    532,761.71x = 213,976,278,613.64
  5. Step 5: Solve for x
    x = 213,976,278,613.64/532,761.71
  6. Step 6: Final answer
    x = 401,636.00

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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.