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Finding the Fourth Proportional to 359,026.36, 495,449.78 and 195,684.28

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Solution

The fourth proportional to 359,026.36, 495,449.78 and 195,684.28 is: 270,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,026.36 : 495,449.78 = 195,684.28 : x
  2. Step 2: Convert to fraction form
    359,026.36/495,449.78 = 195,684.28/x
  3. Step 3: Cross multiply
    359,026.36x = 495,449.78 × 195,684.28
  4. Step 4: Simplify right side
    359,026.36x = 96,951,733,475.46
  5. Step 5: Solve for x
    x = 96,951,733,475.46/359,026.36
  6. Step 6: Final answer
    x = 270,040.71

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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.