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Finding the Fourth Proportional to 618,052.52, 925,510.62 and 517,949.48

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Solution

The fourth proportional to 618,052.52, 925,510.62 and 517,949.48 is: 775,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,052.52 : 925,510.62 = 517,949.48 : x
  2. Step 2: Convert to fraction form
    618,052.52/925,510.62 = 517,949.48/x
  3. Step 3: Cross multiply
    618,052.52x = 925,510.62 × 517,949.48
  4. Step 4: Simplify right side
    618,052.52x = 479,367,744,363.48
  5. Step 5: Solve for x
    x = 479,367,744,363.48/618,052.52
  6. Step 6: Final answer
    x = 775,610.05

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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.