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Finding the Fourth Proportional to 382,358.52, 573,202.44 and 145,543.68

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Solution

The fourth proportional to 382,358.52, 573,202.44 and 145,543.68 is: 218,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,358.52 : 573,202.44 = 145,543.68 : x
  2. Step 2: Convert to fraction form
    382,358.52/573,202.44 = 145,543.68/x
  3. Step 3: Cross multiply
    382,358.52x = 573,202.44 × 145,543.68
  4. Step 4: Simplify right side
    382,358.52x = 83,425,992,502.58
  5. Step 5: Solve for x
    x = 83,425,992,502.58/382,358.52
  6. Step 6: Final answer
    x = 218,187.87

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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.