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Finding the Fourth Proportional to 484,329.66, 726,605.04 and 147,418.06

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Solution

The fourth proportional to 484,329.66, 726,605.04 and 147,418.06 is: 221,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,329.66 : 726,605.04 = 147,418.06 : x
  2. Step 2: Convert to fraction form
    484,329.66/726,605.04 = 147,418.06/x
  3. Step 3: Cross multiply
    484,329.66x = 726,605.04 × 147,418.06
  4. Step 4: Simplify right side
    484,329.66x = 107,114,705,383.02
  5. Step 5: Solve for x
    x = 107,114,705,383.02/484,329.66
  6. Step 6: Final answer
    x = 221,160.74

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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.