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Finding the Fourth Proportional to 658,187.52, 987,319.55 and 184,909.79

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Solution

The fourth proportional to 658,187.52, 987,319.55 and 184,909.79 is: 277,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,187.52 : 987,319.55 = 184,909.79 : x
  2. Step 2: Convert to fraction form
    658,187.52/987,319.55 = 184,909.79/x
  3. Step 3: Cross multiply
    658,187.52x = 987,319.55 × 184,909.79
  4. Step 4: Simplify right side
    658,187.52x = 182,565,044,792.25
  5. Step 5: Solve for x
    x = 182,565,044,792.25/658,187.52
  6. Step 6: Final answer
    x = 277,375.43

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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.