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Finding the Fourth Proportional to 384,233.80, 576,005.10 and 243,920.20

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Solution

The fourth proportional to 384,233.80, 576,005.10 and 243,920.20 is: 365,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,233.80 : 576,005.10 = 243,920.20 : x
  2. Step 2: Convert to fraction form
    384,233.80/576,005.10 = 243,920.20/x
  3. Step 3: Cross multiply
    384,233.80x = 576,005.10 × 243,920.20
  4. Step 4: Simplify right side
    384,233.80x = 140,499,279,193.02
  5. Step 5: Solve for x
    x = 140,499,279,193.02/384,233.80
  6. Step 6: Final answer
    x = 365,660.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.