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Finding the Fourth Proportional to 486,825.77, 730,307.76 and 149,894.42

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Solution

The fourth proportional to 486,825.77, 730,307.76 and 149,894.42 is: 224,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,825.77 : 730,307.76 = 149,894.42 : x
  2. Step 2: Convert to fraction form
    486,825.77/730,307.76 = 149,894.42/x
  3. Step 3: Cross multiply
    486,825.77x = 730,307.76 × 149,894.42
  4. Step 4: Simplify right side
    486,825.77x = 109,469,058,106.70
  5. Step 5: Solve for x
    x = 109,469,058,106.70/486,825.77
  6. Step 6: Final answer
    x = 224,862.91

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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.