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Finding the Fourth Proportional to 359,516.88, 496,136 and 198,377.92

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Solution

The fourth proportional to 359,516.88, 496,136 and 198,377.92 is: 273,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,516.88 : 496,136 = 198,377.92 : x
  2. Step 2: Convert to fraction form
    359,516.88/496,136 = 198,377.92/x
  3. Step 3: Cross multiply
    359,516.88x = 496,136 × 198,377.92
  4. Step 4: Simplify right side
    359,516.88x = 98,422,427,717.12
  5. Step 5: Solve for x
    x = 98,422,427,717.12/359,516.88
  6. Step 6: Final answer
    x = 273,763.02

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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.