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Finding the Fourth Proportional to 587,370.86, 880,625.36 and 187,781.66

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Solution

The fourth proportional to 587,370.86, 880,625.36 and 187,781.66 is: 281,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,370.86 : 880,625.36 = 187,781.66 : x
  2. Step 2: Convert to fraction form
    587,370.86/880,625.36 = 187,781.66/x
  3. Step 3: Cross multiply
    587,370.86x = 880,625.36 × 187,781.66
  4. Step 4: Simplify right side
    587,370.86x = 165,365,291,938.90
  5. Step 5: Solve for x
    x = 165,365,291,938.90/587,370.86
  6. Step 6: Final answer
    x = 281,534.72

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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.