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Finding the Fourth Proportional to 404,712.60, 607,046.58 and 124,229.76

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Solution

The fourth proportional to 404,712.60, 607,046.58 and 124,229.76 is: 186,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.60 : 607,046.58 = 124,229.76 : x
  2. Step 2: Convert to fraction form
    404,712.60/607,046.58 = 124,229.76/x
  3. Step 3: Cross multiply
    404,712.60x = 607,046.58 × 124,229.76
  4. Step 4: Simplify right side
    404,712.60x = 75,413,250,942.22
  5. Step 5: Solve for x
    x = 75,413,250,942.22/404,712.60
  6. Step 6: Final answer
    x = 186,337.79

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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.