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Finding the Fourth Proportional to 591,781.98, 887,679.46 and 171,061.50

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Solution

The fourth proportional to 591,781.98, 887,679.46 and 171,061.50 is: 256,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,781.98 : 887,679.46 = 171,061.50 : x
  2. Step 2: Convert to fraction form
    591,781.98/887,679.46 = 171,061.50/x
  3. Step 3: Cross multiply
    591,781.98x = 887,679.46 × 171,061.50
  4. Step 4: Simplify right side
    591,781.98x = 151,847,779,946.79
  5. Step 5: Solve for x
    x = 151,847,779,946.79/591,781.98
  6. Step 6: Final answer
    x = 256,594.13

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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.