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Finding the Fourth Proportional to 514,542.65, 771,888.69 and 159,585.26

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Solution

The fourth proportional to 514,542.65, 771,888.69 and 159,585.26 is: 239,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,542.65 : 771,888.69 = 159,585.26 : x
  2. Step 2: Convert to fraction form
    514,542.65/771,888.69 = 159,585.26/x
  3. Step 3: Cross multiply
    514,542.65x = 771,888.69 × 159,585.26
  4. Step 4: Simplify right side
    514,542.65x = 123,182,053,425.27
  5. Step 5: Solve for x
    x = 123,182,053,425.27/514,542.65
  6. Step 6: Final answer
    x = 239,401.06

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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.