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Finding the Fourth Proportional to 359,467.92, 496,062.52 and 198,324.40

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Solution

The fourth proportional to 359,467.92, 496,062.52 and 198,324.40 is: 273,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,467.92 : 496,062.52 = 198,324.40 : x
  2. Step 2: Convert to fraction form
    359,467.92/496,062.52 = 198,324.40/x
  3. Step 3: Cross multiply
    359,467.92x = 496,062.52 × 198,324.40
  4. Step 4: Simplify right side
    359,467.92x = 98,381,301,641.49
  5. Step 5: Solve for x
    x = 98,381,301,641.49/359,467.92
  6. Step 6: Final answer
    x = 273,685.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.