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Finding the Fourth Proportional to 359,151.38, 495,636.41 and 198,013.22

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Solution

The fourth proportional to 359,151.38, 495,636.41 and 198,013.22 is: 273,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,151.38 : 495,636.41 = 198,013.22 : x
  2. Step 2: Convert to fraction form
    359,151.38/495,636.41 = 198,013.22/x
  3. Step 3: Cross multiply
    359,151.38x = 495,636.41 × 198,013.22
  4. Step 4: Simplify right side
    359,151.38x = 98,142,561,493.34
  5. Step 5: Solve for x
    x = 98,142,561,493.34/359,151.38
  6. Step 6: Final answer
    x = 273,262.38

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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.