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Finding the Fourth Proportional to 332,448.30, 498,672.45 and 92,561.74

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Solution

The fourth proportional to 332,448.30, 498,672.45 and 92,561.74 is: 138,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,448.30 : 498,672.45 = 92,561.74 : x
  2. Step 2: Convert to fraction form
    332,448.30/498,672.45 = 92,561.74/x
  3. Step 3: Cross multiply
    332,448.30x = 498,672.45 × 92,561.74
  4. Step 4: Simplify right side
    332,448.30x = 46,157,988,415.38
  5. Step 5: Solve for x
    x = 46,157,988,415.38/332,448.30
  6. Step 6: Final answer
    x = 138,842.61

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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.