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Finding the Fourth Proportional to 386,291.88, 579,600.63 and 149,801.04

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Solution

The fourth proportional to 386,291.88, 579,600.63 and 149,801.04 is: 224,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,291.88 : 579,600.63 = 149,801.04 : x
  2. Step 2: Convert to fraction form
    386,291.88/579,600.63 = 149,801.04/x
  3. Step 3: Cross multiply
    386,291.88x = 579,600.63 × 149,801.04
  4. Step 4: Simplify right side
    386,291.88x = 86,824,777,158.66
  5. Step 5: Solve for x
    x = 86,824,777,158.66/386,291.88
  6. Step 6: Final answer
    x = 224,764.70

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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.