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Finding the Fourth Proportional to 250,393.31, 375,965.18 and 216,763.08

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Solution

The fourth proportional to 250,393.31, 375,965.18 and 216,763.08 is: 325,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,393.31 : 375,965.18 = 216,763.08 : x
  2. Step 2: Convert to fraction form
    250,393.31/375,965.18 = 216,763.08/x
  3. Step 3: Cross multiply
    250,393.31x = 375,965.18 × 216,763.08
  4. Step 4: Simplify right side
    250,393.31x = 81,495,370,389.55
  5. Step 5: Solve for x
    x = 81,495,370,389.55/250,393.31
  6. Step 6: Final answer
    x = 325,469.44

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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.