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Finding the Fourth Proportional to 587,369.61, 880,623.49 and 187,780.41

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Solution

The fourth proportional to 587,369.61, 880,623.49 and 187,780.41 is: 281,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,369.61 : 880,623.49 = 187,780.41 : x
  2. Step 2: Convert to fraction form
    587,369.61/880,623.49 = 187,780.41/x
  3. Step 3: Cross multiply
    587,369.61x = 880,623.49 × 187,780.41
  4. Step 4: Simplify right side
    587,369.61x = 165,363,840,007.83
  5. Step 5: Solve for x
    x = 165,363,840,007.83/587,369.61
  6. Step 6: Final answer
    x = 281,532.85

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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.