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Finding the Fourth Proportional to 369,508.57, 554,262.85 and 132,722.08

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Solution

The fourth proportional to 369,508.57, 554,262.85 and 132,722.08 is: 199,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,508.57 : 554,262.85 = 132,722.08 : x
  2. Step 2: Convert to fraction form
    369,508.57/554,262.85 = 132,722.08/x
  3. Step 3: Cross multiply
    369,508.57x = 554,262.85 × 132,722.08
  4. Step 4: Simplify right side
    369,508.57x = 73,562,917,098.97
  5. Step 5: Solve for x
    x = 73,562,917,098.97/369,508.57
  6. Step 6: Final answer
    x = 199,083.12

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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.