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Finding the Fourth Proportional to 363,346.72, 544,822.40 and 126,625.84

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Solution

The fourth proportional to 363,346.72, 544,822.40 and 126,625.84 is: 189,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,346.72 : 544,822.40 = 126,625.84 : x
  2. Step 2: Convert to fraction form
    363,346.72/544,822.40 = 126,625.84/x
  3. Step 3: Cross multiply
    363,346.72x = 544,822.40 × 126,625.84
  4. Step 4: Simplify right side
    363,346.72x = 68,988,594,050.82
  5. Step 5: Solve for x
    x = 68,988,594,050.82/363,346.72
  6. Step 6: Final answer
    x = 189,869.87

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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.