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Finding the Fourth Proportional to 359,669.65, 496,344.15 and 198,524.74

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Solution

The fourth proportional to 359,669.65, 496,344.15 and 198,524.74 is: 273,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,669.65 : 496,344.15 = 198,524.74 : x
  2. Step 2: Convert to fraction form
    359,669.65/496,344.15 = 198,524.74/x
  3. Step 3: Cross multiply
    359,669.65x = 496,344.15 × 198,524.74
  4. Step 4: Simplify right side
    359,669.65x = 98,536,592,512.96
  5. Step 5: Solve for x
    x = 98,536,592,512.96/359,669.65
  6. Step 6: Final answer
    x = 273,964.16

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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.