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Finding the Fourth Proportional to 239,443.01, 359,398.25 and 197,747.86

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Solution

The fourth proportional to 239,443.01, 359,398.25 and 197,747.86 is: 296,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,443.01 : 359,398.25 = 197,747.86 : x
  2. Step 2: Convert to fraction form
    239,443.01/359,398.25 = 197,747.86/x
  3. Step 3: Cross multiply
    239,443.01x = 359,398.25 × 197,747.86
  4. Step 4: Simplify right side
    239,443.01x = 71,070,233,522.62
  5. Step 5: Solve for x
    x = 71,070,233,522.62/239,443.01
  6. Step 6: Final answer
    x = 296,814.82

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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.