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Finding the Fourth Proportional to 359,131.37, 495,605.13 and 197,992.19

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Solution

The fourth proportional to 359,131.37, 495,605.13 and 197,992.19 is: 273,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,131.37 : 495,605.13 = 197,992.19 : x
  2. Step 2: Convert to fraction form
    359,131.37/495,605.13 = 197,992.19/x
  3. Step 3: Cross multiply
    359,131.37x = 495,605.13 × 197,992.19
  4. Step 4: Simplify right side
    359,131.37x = 98,125,941,936.54
  5. Step 5: Solve for x
    x = 98,125,941,936.54/359,131.37
  6. Step 6: Final answer
    x = 273,231.33

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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.