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Finding the Fourth Proportional to 250,393.30, 375,965.16 and 216,763.04

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Solution

The fourth proportional to 250,393.30, 375,965.16 and 216,763.04 is: 325,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,393.30 : 375,965.16 = 216,763.04 : x
  2. Step 2: Convert to fraction form
    250,393.30/375,965.16 = 216,763.04/x
  3. Step 3: Cross multiply
    250,393.30x = 375,965.16 × 216,763.04
  4. Step 4: Simplify right side
    250,393.30x = 81,495,348,052.05
  5. Step 5: Solve for x
    x = 81,495,348,052.05/250,393.30
  6. Step 6: Final answer
    x = 325,469.36

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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.