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Finding the Fourth Proportional to 359,508.77, 496,132.48 and 198,374.20

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Solution

The fourth proportional to 359,508.77, 496,132.48 and 198,374.20 is: 273,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,508.77 : 496,132.48 = 198,374.20 : x
  2. Step 2: Convert to fraction form
    359,508.77/496,132.48 = 198,374.20/x
  3. Step 3: Cross multiply
    359,508.77x = 496,132.48 × 198,374.20
  4. Step 4: Simplify right side
    359,508.77x = 98,419,881,333.35
  5. Step 5: Solve for x
    x = 98,419,881,333.35/359,508.77
  6. Step 6: Final answer
    x = 273,762.12

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1.5x scale

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.