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Finding the Fourth Proportional to 298,726.44, 448,089.64 and 88,347.96

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Solution

The fourth proportional to 298,726.44, 448,089.64 and 88,347.96 is: 132,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,726.44 : 448,089.64 = 88,347.96 : x
  2. Step 2: Convert to fraction form
    298,726.44/448,089.64 = 88,347.96/x
  3. Step 3: Cross multiply
    298,726.44x = 448,089.64 × 88,347.96
  4. Step 4: Simplify right side
    298,726.44x = 39,587,805,591.13
  5. Step 5: Solve for x
    x = 39,587,805,591.13/298,726.44
  6. Step 6: Final answer
    x = 132,521.93

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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.