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Finding the Fourth Proportional to 435,791.52, 653,818.56 and 155,272.32

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Solution

The fourth proportional to 435,791.52, 653,818.56 and 155,272.32 is: 232,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,791.52 : 653,818.56 = 155,272.32 : x
  2. Step 2: Convert to fraction form
    435,791.52/653,818.56 = 155,272.32/x
  3. Step 3: Cross multiply
    435,791.52x = 653,818.56 × 155,272.32
  4. Step 4: Simplify right side
    435,791.52x = 101,519,924,670.26
  5. Step 5: Solve for x
    x = 101,519,924,670.26/435,791.52
  6. Step 6: Final answer
    x = 232,955.26

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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.