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Finding the Fourth Proportional to 503,579.78, 755,390.51 and 148,593.80

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Solution

The fourth proportional to 503,579.78, 755,390.51 and 148,593.80 is: 222,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,579.78 : 755,390.51 = 148,593.80 : x
  2. Step 2: Convert to fraction form
    503,579.78/755,390.51 = 148,593.80/x
  3. Step 3: Cross multiply
    503,579.78x = 755,390.51 × 148,593.80
  4. Step 4: Simplify right side
    503,579.78x = 112,246,346,364.84
  5. Step 5: Solve for x
    x = 112,246,346,364.84/503,579.78
  6. Step 6: Final answer
    x = 222,896.85

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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.