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Finding the Fourth Proportional to 587,253.87, 881,012.07 and 187,918.62

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Solution

The fourth proportional to 587,253.87, 881,012.07 and 187,918.62 is: 281,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,253.87 : 881,012.07 = 187,918.62 : x
  2. Step 2: Convert to fraction form
    587,253.87/881,012.07 = 187,918.62/x
  3. Step 3: Cross multiply
    587,253.87x = 881,012.07 × 187,918.62
  4. Step 4: Simplify right side
    587,253.87x = 165,558,572,397.74
  5. Step 5: Solve for x
    x = 165,558,572,397.74/587,253.87
  6. Step 6: Final answer
    x = 281,919.93

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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.