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Finding the Fourth Proportional to 587,314.44, 881,035.70 and 187,861.32

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Solution

The fourth proportional to 587,314.44, 881,035.70 and 187,861.32 is: 281,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,314.44 : 881,035.70 = 187,861.32 : x
  2. Step 2: Convert to fraction form
    587,314.44/881,035.70 = 187,861.32/x
  3. Step 3: Cross multiply
    587,314.44x = 881,035.70 × 187,861.32
  4. Step 4: Simplify right side
    587,314.44x = 165,512,529,569.12
  5. Step 5: Solve for x
    x = 165,512,529,569.12/587,314.44
  6. Step 6: Final answer
    x = 281,812.46

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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.