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Finding the Fourth Proportional to 359,500.71, 496,110.57 and 198,355.74

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Solution

The fourth proportional to 359,500.71, 496,110.57 and 198,355.74 is: 273,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,500.71 : 496,110.57 = 198,355.74 : x
  2. Step 2: Convert to fraction form
    359,500.71/496,110.57 = 198,355.74/x
  3. Step 3: Cross multiply
    359,500.71x = 496,110.57 × 198,355.74
  4. Step 4: Simplify right side
    359,500.71x = 98,406,377,745.67
  5. Step 5: Solve for x
    x = 98,406,377,745.67/359,500.71
  6. Step 6: Final answer
    x = 273,730.69

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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.