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Finding the Fourth Proportional to 587,387.94, 880,650.90 and 187,798.74

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Solution

The fourth proportional to 587,387.94, 880,650.90 and 187,798.74 is: 281,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,387.94 : 880,650.90 = 187,798.74 : x
  2. Step 2: Convert to fraction form
    587,387.94/880,650.90 = 187,798.74/x
  3. Step 3: Cross multiply
    587,387.94x = 880,650.90 × 187,798.74
  4. Step 4: Simplify right side
    587,387.94x = 165,385,129,399.87
  5. Step 5: Solve for x
    x = 165,385,129,399.87/587,387.94
  6. Step 6: Final answer
    x = 281,560.31

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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.