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Finding the Fourth Proportional to 359,587.60, 496,233 and 198,446.80

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Solution

The fourth proportional to 359,587.60, 496,233 and 198,446.80 is: 273,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,587.60 : 496,233 = 198,446.80 : x
  2. Step 2: Convert to fraction form
    359,587.60/496,233 = 198,446.80/x
  3. Step 3: Cross multiply
    359,587.60x = 496,233 × 198,446.80
  4. Step 4: Simplify right side
    359,587.60x = 98,475,850,904.40
  5. Step 5: Solve for x
    x = 98,475,850,904.40/359,587.60
  6. Step 6: Final answer
    x = 273,857.75

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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.