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Finding the Fourth Proportional to 484,553.34, 726,855.12 and 147,567.96

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Solution

The fourth proportional to 484,553.34, 726,855.12 and 147,567.96 is: 221,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,553.34 : 726,855.12 = 147,567.96 : x
  2. Step 2: Convert to fraction form
    484,553.34/726,855.12 = 147,567.96/x
  3. Step 3: Cross multiply
    484,553.34x = 726,855.12 × 147,567.96
  4. Step 4: Simplify right side
    484,553.34x = 107,260,527,273.96
  5. Step 5: Solve for x
    x = 107,260,527,273.96/484,553.34
  6. Step 6: Final answer
    x = 221,359.59

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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.