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Finding the Fourth Proportional to 514,487.48, 771,760.38 and 159,551.96

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Solution

The fourth proportional to 514,487.48, 771,760.38 and 159,551.96 is: 239,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,487.48 : 771,760.38 = 159,551.96 : x
  2. Step 2: Convert to fraction form
    514,487.48/771,760.38 = 159,551.96/x
  3. Step 3: Cross multiply
    514,487.48x = 771,760.38 × 159,551.96
  4. Step 4: Simplify right side
    514,487.48x = 123,135,877,420.54
  5. Step 5: Solve for x
    x = 123,135,877,420.54/514,487.48
  6. Step 6: Final answer
    x = 239,336.98

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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.