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Finding the Fourth Proportional to 484,329.65, 726,605.04 and 147,418.05

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Solution

The fourth proportional to 484,329.65, 726,605.04 and 147,418.05 is: 221,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,329.65 : 726,605.04 = 147,418.05 : x
  2. Step 2: Convert to fraction form
    484,329.65/726,605.04 = 147,418.05/x
  3. Step 3: Cross multiply
    484,329.65x = 726,605.04 × 147,418.05
  4. Step 4: Simplify right side
    484,329.65x = 107,114,698,116.97
  5. Step 5: Solve for x
    x = 107,114,698,116.97/484,329.65
  6. Step 6: Final answer
    x = 221,160.73

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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.