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Finding the Fourth Proportional to 618,772.01, 928,158.76 and 169,496.75

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Solution

The fourth proportional to 618,772.01, 928,158.76 and 169,496.75 is: 254,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,772.01 : 928,158.76 = 169,496.75 : x
  2. Step 2: Convert to fraction form
    618,772.01/928,158.76 = 169,496.75/x
  3. Step 3: Cross multiply
    618,772.01x = 928,158.76 × 169,496.75
  4. Step 4: Simplify right side
    618,772.01x = 157,319,896,360.88
  5. Step 5: Solve for x
    x = 157,319,896,360.88/618,772.01
  6. Step 6: Final answer
    x = 254,245.33

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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.