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Finding the Fourth Proportional to 532,813.52, 735,333.52 and 291,132.86

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Solution

The fourth proportional to 532,813.52, 735,333.52 and 291,132.86 is: 401,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,813.52 : 735,333.52 = 291,132.86 : x
  2. Step 2: Convert to fraction form
    532,813.52/735,333.52 = 291,132.86/x
  3. Step 3: Cross multiply
    532,813.52x = 735,333.52 × 291,132.86
  4. Step 4: Simplify right side
    532,813.52x = 214,079,750,731.47
  5. Step 5: Solve for x
    x = 214,079,750,731.47/532,813.52
  6. Step 6: Final answer
    x = 401,791.14

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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.