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Finding the Fourth Proportional to 532,881.26, 735,354.27 and 291,172.13

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Solution

The fourth proportional to 532,881.26, 735,354.27 and 291,172.13 is: 401,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,881.26 : 735,354.27 = 291,172.13 : x
  2. Step 2: Convert to fraction form
    532,881.26/735,354.27 = 291,172.13/x
  3. Step 3: Cross multiply
    532,881.26x = 735,354.27 × 291,172.13
  4. Step 4: Simplify right side
    532,881.26x = 214,114,665,423.72
  5. Step 5: Solve for x
    x = 214,114,665,423.72/532,881.26
  6. Step 6: Final answer
    x = 401,805.59

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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.