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Finding the Fourth Proportional to 435,810.54, 652,309.65 and 225,158.70

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Solution

The fourth proportional to 435,810.54, 652,309.65 and 225,158.70 is: 337,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,810.54 : 652,309.65 = 225,158.70 : x
  2. Step 2: Convert to fraction form
    435,810.54/652,309.65 = 225,158.70/x
  3. Step 3: Cross multiply
    435,810.54x = 652,309.65 × 225,158.70
  4. Step 4: Simplify right side
    435,810.54x = 146,873,192,791.46
  5. Step 5: Solve for x
    x = 146,873,192,791.46/435,810.54
  6. Step 6: Final answer
    x = 337,011.57

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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.