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Finding the Fourth Proportional to 359,149.44, 495,655.76 and 198,019.79

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Solution

The fourth proportional to 359,149.44, 495,655.76 and 198,019.79 is: 273,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,149.44 : 495,655.76 = 198,019.79 : x
  2. Step 2: Convert to fraction form
    359,149.44/495,655.76 = 198,019.79/x
  3. Step 3: Cross multiply
    359,149.44x = 495,655.76 × 198,019.79
  4. Step 4: Simplify right side
    359,149.44x = 98,149,648,269.11
  5. Step 5: Solve for x
    x = 98,149,648,269.11/359,149.44
  6. Step 6: Final answer
    x = 273,283.59

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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.