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Finding the Fourth Proportional to 532,929.33, 735,411.15 and 291,163.77

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Solution

The fourth proportional to 532,929.33, 735,411.15 and 291,163.77 is: 401,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,929.33 : 735,411.15 = 291,163.77 : x
  2. Step 2: Convert to fraction form
    532,929.33/735,411.15 = 291,163.77/x
  3. Step 3: Cross multiply
    532,929.33x = 735,411.15 × 291,163.77
  4. Step 4: Simplify right side
    532,929.33x = 214,125,082,934.04
  5. Step 5: Solve for x
    x = 214,125,082,934.04/532,929.33
  6. Step 6: Final answer
    x = 401,788.89

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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.