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Finding the Fourth Proportional to 359,131.90, 495,605.85 and 197,992.72

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Solution

The fourth proportional to 359,131.90, 495,605.85 and 197,992.72 is: 273,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,131.90 : 495,605.85 = 197,992.72 : x
  2. Step 2: Convert to fraction form
    359,131.90/495,605.85 = 197,992.72/x
  3. Step 3: Cross multiply
    359,131.90x = 495,605.85 × 197,992.72
  4. Step 4: Simplify right side
    359,131.90x = 98,126,350,289.41
  5. Step 5: Solve for x
    x = 98,126,350,289.41/359,131.90
  6. Step 6: Final answer
    x = 273,232.06

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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.