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Finding the Fourth Proportional to 359,149.38, 495,633.65 and 198,011.22

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Solution

The fourth proportional to 359,149.38, 495,633.65 and 198,011.22 is: 273,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,149.38 : 495,633.65 = 198,011.22 : x
  2. Step 2: Convert to fraction form
    359,149.38/495,633.65 = 198,011.22/x
  3. Step 3: Cross multiply
    359,149.38x = 495,633.65 × 198,011.22
  4. Step 4: Simplify right side
    359,149.38x = 98,141,023,709.55
  5. Step 5: Solve for x
    x = 98,141,023,709.55/359,149.38
  6. Step 6: Final answer
    x = 273,259.62

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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.