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Finding the Fourth Proportional to 574,239.38, 861,293.39 and 153,548.06

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Solution

The fourth proportional to 574,239.38, 861,293.39 and 153,548.06 is: 230,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,239.38 : 861,293.39 = 153,548.06 : x
  2. Step 2: Convert to fraction form
    574,239.38/861,293.39 = 153,548.06/x
  3. Step 3: Cross multiply
    574,239.38x = 861,293.39 × 153,548.06
  4. Step 4: Simplify right side
    574,239.38x = 132,249,924,051.12
  5. Step 5: Solve for x
    x = 132,249,924,051.12/574,239.38
  6. Step 6: Final answer
    x = 230,304.52

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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.