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Finding the Fourth Proportional to 472,540.72, 652,122.54 and 268,600.18

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Solution

The fourth proportional to 472,540.72, 652,122.54 and 268,600.18 is: 370,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,540.72 : 652,122.54 = 268,600.18 : x
  2. Step 2: Convert to fraction form
    472,540.72/652,122.54 = 268,600.18/x
  3. Step 3: Cross multiply
    472,540.72x = 652,122.54 × 268,600.18
  4. Step 4: Simplify right side
    472,540.72x = 175,160,231,626.06
  5. Step 5: Solve for x
    x = 175,160,231,626.06/472,540.72
  6. Step 6: Final answer
    x = 370,677.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.