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Finding the Fourth Proportional to 441,529.38, 662,044.76 and 153,205.78

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Solution

The fourth proportional to 441,529.38, 662,044.76 and 153,205.78 is: 229,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,529.38 : 662,044.76 = 153,205.78 : x
  2. Step 2: Convert to fraction form
    441,529.38/662,044.76 = 153,205.78/x
  3. Step 3: Cross multiply
    441,529.38x = 662,044.76 × 153,205.78
  4. Step 4: Simplify right side
    441,529.38x = 101,429,083,850.71
  5. Step 5: Solve for x
    x = 101,429,083,850.71/441,529.38
  6. Step 6: Final answer
    x = 229,722.16

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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.