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Finding the Fourth Proportional to 359,161.44, 495,644.08 and 198,012.96

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Solution

The fourth proportional to 359,161.44, 495,644.08 and 198,012.96 is: 273,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,161.44 : 495,644.08 = 198,012.96 : x
  2. Step 2: Convert to fraction form
    359,161.44/495,644.08 = 198,012.96/x
  3. Step 3: Cross multiply
    359,161.44x = 495,644.08 × 198,012.96
  4. Step 4: Simplify right side
    359,161.44x = 98,143,951,387.28
  5. Step 5: Solve for x
    x = 98,143,951,387.28/359,161.44
  6. Step 6: Final answer
    x = 273,258.60

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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.