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Finding the Fourth Proportional to 359,371.31, 495,930.06 and 196,036.83

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Solution

The fourth proportional to 359,371.31, 495,930.06 and 196,036.83 is: 270,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,371.31 : 495,930.06 = 196,036.83 : x
  2. Step 2: Convert to fraction form
    359,371.31/495,930.06 = 196,036.83/x
  3. Step 3: Cross multiply
    359,371.31x = 495,930.06 × 196,036.83
  4. Step 4: Simplify right side
    359,371.31x = 97,220,556,864.11
  5. Step 5: Solve for x
    x = 97,220,556,864.11/359,371.31
  6. Step 6: Final answer
    x = 270,529.55

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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.