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Finding the Fourth Proportional to 547,601.18, 821,479.61 and 168,553.52

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Solution

The fourth proportional to 547,601.18, 821,479.61 and 168,553.52 is: 252,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,601.18 : 821,479.61 = 168,553.52 : x
  2. Step 2: Convert to fraction form
    547,601.18/821,479.61 = 168,553.52/x
  3. Step 3: Cross multiply
    547,601.18x = 821,479.61 × 168,553.52
  4. Step 4: Simplify right side
    547,601.18x = 138,463,282,348.81
  5. Step 5: Solve for x
    x = 138,463,282,348.81/547,601.18
  6. Step 6: Final answer
    x = 252,854.25

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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.