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Finding the Fourth Proportional to 361,239.82, 498,752.04 and 225,328.30

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Solution

The fourth proportional to 361,239.82, 498,752.04 and 225,328.30 is: 311,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,239.82 : 498,752.04 = 225,328.30 : x
  2. Step 2: Convert to fraction form
    361,239.82/498,752.04 = 225,328.30/x
  3. Step 3: Cross multiply
    361,239.82x = 498,752.04 × 225,328.30
  4. Step 4: Simplify right side
    361,239.82x = 112,382,949,294.73
  5. Step 5: Solve for x
    x = 112,382,949,294.73/361,239.82
  6. Step 6: Final answer
    x = 311,103.44

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1.5x scale

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.