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Finding the Fourth Proportional to 288,884.52, 398,535.26 and 174,097.94

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Solution

The fourth proportional to 288,884.52, 398,535.26 and 174,097.94 is: 240,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,884.52 : 398,535.26 = 174,097.94 : x
  2. Step 2: Convert to fraction form
    288,884.52/398,535.26 = 174,097.94/x
  3. Step 3: Cross multiply
    288,884.52x = 398,535.26 × 174,097.94
  4. Step 4: Simplify right side
    288,884.52x = 69,384,164,920.20
  5. Step 5: Solve for x
    x = 69,384,164,920.20/288,884.52
  6. Step 6: Final answer
    x = 240,179.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.