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Finding the Fourth Proportional to 359,748.87, 496,440.39 and 198,600.47

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Solution

The fourth proportional to 359,748.87, 496,440.39 and 198,600.47 is: 274,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,748.87 : 496,440.39 = 198,600.47 : x
  2. Step 2: Convert to fraction form
    359,748.87/496,440.39 = 198,600.47/x
  3. Step 3: Cross multiply
    359,748.87x = 496,440.39 × 198,600.47
  4. Step 4: Simplify right side
    359,748.87x = 98,593,293,043.53
  5. Step 5: Solve for x
    x = 98,593,293,043.53/359,748.87
  6. Step 6: Final answer
    x = 274,061.44

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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.