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Finding the Fourth Proportional to 359,956.47, 496,697.34 and 198,801.90

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Solution

The fourth proportional to 359,956.47, 496,697.34 and 198,801.90 is: 274,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,956.47 : 496,697.34 = 198,801.90 : x
  2. Step 2: Convert to fraction form
    359,956.47/496,697.34 = 198,801.90/x
  3. Step 3: Cross multiply
    359,956.47x = 496,697.34 × 198,801.90
  4. Step 4: Simplify right side
    359,956.47x = 98,744,374,916.95
  5. Step 5: Solve for x
    x = 98,744,374,916.95/359,956.47
  6. Step 6: Final answer
    x = 274,323.10

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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.