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Finding the Fourth Proportional to 359,002.60, 495,416.80 and 195,660.48

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Solution

The fourth proportional to 359,002.60, 495,416.80 and 195,660.48 is: 270,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,002.60 : 495,416.80 = 195,660.48 : x
  2. Step 2: Convert to fraction form
    359,002.60/495,416.80 = 195,660.48/x
  3. Step 3: Cross multiply
    359,002.60x = 495,416.80 × 195,660.48
  4. Step 4: Simplify right side
    359,002.60x = 96,933,488,888.06
  5. Step 5: Solve for x
    x = 96,933,488,888.06/359,002.60
  6. Step 6: Final answer
    x = 270,007.76

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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.