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Finding the Fourth Proportional to 435,959.20, 653,960.40 and 226,007.20

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Solution

The fourth proportional to 435,959.20, 653,960.40 and 226,007.20 is: 339,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,959.20 : 653,960.40 = 226,007.20 : x
  2. Step 2: Convert to fraction form
    435,959.20/653,960.40 = 226,007.20/x
  3. Step 3: Cross multiply
    435,959.20x = 653,960.40 × 226,007.20
  4. Step 4: Simplify right side
    435,959.20x = 147,799,758,914.88
  5. Step 5: Solve for x
    x = 147,799,758,914.88/435,959.20
  6. Step 6: Final answer
    x = 339,022.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.