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Finding the Fourth Proportional to 367,080.84, 550,295.10 and 130,392.36

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Solution

The fourth proportional to 367,080.84, 550,295.10 and 130,392.36 is: 195,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,080.84 : 550,295.10 = 130,392.36 : x
  2. Step 2: Convert to fraction form
    367,080.84/550,295.10 = 130,392.36/x
  3. Step 3: Cross multiply
    367,080.84x = 550,295.10 × 130,392.36
  4. Step 4: Simplify right side
    367,080.84x = 71,754,276,785.44
  5. Step 5: Solve for x
    x = 71,754,276,785.44/367,080.84
  6. Step 6: Final answer
    x = 195,472.68

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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.