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Finding the Fourth Proportional to 359,452.28, 496,040.76 and 198,308.66

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Solution

The fourth proportional to 359,452.28, 496,040.76 and 198,308.66 is: 273,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,452.28 : 496,040.76 = 198,308.66 : x
  2. Step 2: Convert to fraction form
    359,452.28/496,040.76 = 198,308.66/x
  3. Step 3: Cross multiply
    359,452.28x = 496,040.76 × 198,308.66
  4. Step 4: Simplify right side
    359,452.28x = 98,369,175,940.78
  5. Step 5: Solve for x
    x = 98,369,175,940.78/359,452.28
  6. Step 6: Final answer
    x = 273,664.07

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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.