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Finding the Fourth Proportional to 367,126.47, 550,689.71 and 130,478.49

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Solution

The fourth proportional to 367,126.47, 550,689.71 and 130,478.49 is: 195,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,126.47 : 550,689.71 = 130,478.49 : x
  2. Step 2: Convert to fraction form
    367,126.47/550,689.71 = 130,478.49/x
  3. Step 3: Cross multiply
    367,126.47x = 550,689.71 × 130,478.49
  4. Step 4: Simplify right side
    367,126.47x = 71,853,161,166.95
  5. Step 5: Solve for x
    x = 71,853,161,166.95/367,126.47
  6. Step 6: Final answer
    x = 195,717.74

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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.