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Finding the Fourth Proportional to 486,960.88, 730,373.28 and 167,107.72

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Solution

The fourth proportional to 486,960.88, 730,373.28 and 167,107.72 is: 250,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,960.88 : 730,373.28 = 167,107.72 : x
  2. Step 2: Convert to fraction form
    486,960.88/730,373.28 = 167,107.72/x
  3. Step 3: Cross multiply
    486,960.88x = 730,373.28 × 167,107.72
  4. Step 4: Simplify right side
    486,960.88x = 122,051,013,569.72
  5. Step 5: Solve for x
    x = 122,051,013,569.72/486,960.88
  6. Step 6: Final answer
    x = 250,638.23

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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.