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Finding the Fourth Proportional to 454,573.54, 681,859.75 and 122,149.54

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Solution

The fourth proportional to 454,573.54, 681,859.75 and 122,149.54 is: 183,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,573.54 : 681,859.75 = 122,149.54 : x
  2. Step 2: Convert to fraction form
    454,573.54/681,859.75 = 122,149.54/x
  3. Step 3: Cross multiply
    454,573.54x = 681,859.75 × 122,149.54
  4. Step 4: Simplify right side
    454,573.54x = 83,288,854,807.02
  5. Step 5: Solve for x
    x = 83,288,854,807.02/454,573.54
  6. Step 6: Final answer
    x = 183,224.16

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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.