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Finding the Fourth Proportional to 658,327.76, 987,491.63 and 185,013.11

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Solution

The fourth proportional to 658,327.76, 987,491.63 and 185,013.11 is: 277,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,327.76 : 987,491.63 = 185,013.11 : x
  2. Step 2: Convert to fraction form
    658,327.76/987,491.63 = 185,013.11/x
  3. Step 3: Cross multiply
    658,327.76x = 987,491.63 × 185,013.11
  4. Step 4: Simplify right side
    658,327.76x = 182,698,897,565.27
  5. Step 5: Solve for x
    x = 182,698,897,565.27/658,327.76
  6. Step 6: Final answer
    x = 277,519.66

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Double scale
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Similar ratio
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1.5x scale

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.