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Finding the Fourth Proportional to 359,041.38, 495,470.96 and 197,911.42

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Solution

The fourth proportional to 359,041.38, 495,470.96 and 197,911.42 is: 273,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,041.38 : 495,470.96 = 197,911.42 : x
  2. Step 2: Convert to fraction form
    359,041.38/495,470.96 = 197,911.42/x
  3. Step 3: Cross multiply
    359,041.38x = 495,470.96 × 197,911.42
  4. Step 4: Simplify right side
    359,041.38x = 98,059,359,776.30
  5. Step 5: Solve for x
    x = 98,059,359,776.30/359,041.38
  6. Step 6: Final answer
    x = 273,114.37

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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.