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Finding the Fourth Proportional to 359,734.60, 496,437.77 and 198,589.73

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Solution

The fourth proportional to 359,734.60, 496,437.77 and 198,589.73 is: 274,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,734.60 : 496,437.77 = 198,589.73 : x
  2. Step 2: Convert to fraction form
    359,734.60/496,437.77 = 198,589.73/x
  3. Step 3: Cross multiply
    359,734.60x = 496,437.77 × 198,589.73
  4. Step 4: Simplify right side
    359,734.60x = 98,587,442,706.10
  5. Step 5: Solve for x
    x = 98,587,442,706.10/359,734.60
  6. Step 6: Final answer
    x = 274,056.05

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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.