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Finding the Fourth Proportional to 383,861.52, 575,545.86 and 159,376.89

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Solution

The fourth proportional to 383,861.52, 575,545.86 and 159,376.89 is: 238,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,861.52 : 575,545.86 = 159,376.89 : x
  2. Step 2: Convert to fraction form
    383,861.52/575,545.86 = 159,376.89/x
  3. Step 3: Cross multiply
    383,861.52x = 575,545.86 × 159,376.89
  4. Step 4: Simplify right side
    383,861.52x = 91,728,709,219.18
  5. Step 5: Solve for x
    x = 91,728,709,219.18/383,861.52
  6. Step 6: Final answer
    x = 238,963.02

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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.