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Finding the Fourth Proportional to 367,366.80, 550,920.60 and 130,717.20

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Solution

The fourth proportional to 367,366.80, 550,920.60 and 130,717.20 is: 196,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,366.80 : 550,920.60 = 130,717.20 : x
  2. Step 2: Convert to fraction form
    367,366.80/550,920.60 = 130,717.20/x
  3. Step 3: Cross multiply
    367,366.80x = 550,920.60 × 130,717.20
  4. Step 4: Simplify right side
    367,366.80x = 72,014,798,254.32
  5. Step 5: Solve for x
    x = 72,014,798,254.32/367,366.80
  6. Step 6: Final answer
    x = 196,029.69

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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.