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Finding the Fourth Proportional to 452,591.28, 678,626.76 and 186,535.44

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Solution

The fourth proportional to 452,591.28, 678,626.76 and 186,535.44 is: 279,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,591.28 : 678,626.76 = 186,535.44 : x
  2. Step 2: Convert to fraction form
    452,591.28/678,626.76 = 186,535.44/x
  3. Step 3: Cross multiply
    452,591.28x = 678,626.76 × 186,535.44
  4. Step 4: Simplify right side
    452,591.28x = 126,587,941,272.37
  5. Step 5: Solve for x
    x = 126,587,941,272.37/452,591.28
  6. Step 6: Final answer
    x = 279,695.94

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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.