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Finding the Fourth Proportional to 618,820.56, 928,231.56 and 169,545.24

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Solution

The fourth proportional to 618,820.56, 928,231.56 and 169,545.24 is: 254,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,820.56 : 928,231.56 = 169,545.24 : x
  2. Step 2: Convert to fraction form
    618,820.56/928,231.56 = 169,545.24/x
  3. Step 3: Cross multiply
    618,820.56x = 928,231.56 × 169,545.24
  4. Step 4: Simplify right side
    618,820.56x = 157,377,242,615.77
  5. Step 5: Solve for x
    x = 157,377,242,615.77/618,820.56
  6. Step 6: Final answer
    x = 254,318.06

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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.