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Finding the Fourth Proportional to 298,415.44, 447,635.51 and 88,053.38

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Solution

The fourth proportional to 298,415.44, 447,635.51 and 88,053.38 is: 132,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,415.44 : 447,635.51 = 88,053.38 : x
  2. Step 2: Convert to fraction form
    298,415.44/447,635.51 = 88,053.38/x
  3. Step 3: Cross multiply
    298,415.44x = 447,635.51 × 88,053.38
  4. Step 4: Simplify right side
    298,415.44x = 39,415,817,425.35
  5. Step 5: Solve for x
    x = 39,415,817,425.35/298,415.44
  6. Step 6: Final answer
    x = 132,083.71

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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.