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Finding the Fourth Proportional to 298,042.39, 447,063.81 and 73,407.41

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Solution

The fourth proportional to 298,042.39, 447,063.81 and 73,407.41 is: 110,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,042.39 : 447,063.81 = 73,407.41 : x
  2. Step 2: Convert to fraction form
    298,042.39/447,063.81 = 73,407.41/x
  3. Step 3: Cross multiply
    298,042.39x = 447,063.81 × 73,407.41
  4. Step 4: Simplify right side
    298,042.39x = 32,817,798,077.46
  5. Step 5: Solve for x
    x = 32,817,798,077.46/298,042.39
  6. Step 6: Final answer
    x = 110,111.18

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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.