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Finding the Fourth Proportional to 618,909.03, 928,355.98 and 169,629.53

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Solution

The fourth proportional to 618,909.03, 928,355.98 and 169,629.53 is: 254,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,909.03 : 928,355.98 = 169,629.53 : x
  2. Step 2: Convert to fraction form
    618,909.03/928,355.98 = 169,629.53/x
  3. Step 3: Cross multiply
    618,909.03x = 928,355.98 × 169,629.53
  4. Step 4: Simplify right side
    618,909.03x = 157,476,588,560.09
  5. Step 5: Solve for x
    x = 157,476,588,560.09/618,909.03
  6. Step 6: Final answer
    x = 254,442.22

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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.