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Finding the Fourth Proportional to 331,791.52, 497,893.68 and 134,799.52

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Solution

The fourth proportional to 331,791.52, 497,893.68 and 134,799.52 is: 202,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,791.52 : 497,893.68 = 134,799.52 : x
  2. Step 2: Convert to fraction form
    331,791.52/497,893.68 = 134,799.52/x
  3. Step 3: Cross multiply
    331,791.52x = 497,893.68 × 134,799.52
  4. Step 4: Simplify right side
    331,791.52x = 67,115,829,075.03
  5. Step 5: Solve for x
    x = 67,115,829,075.03/331,791.52
  6. Step 6: Final answer
    x = 202,283.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.