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Finding the Fourth Proportional to 267,690.30, 400,746.56 and 234,475.25

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Solution

The fourth proportional to 267,690.30, 400,746.56 and 234,475.25 is: 351,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,690.30 : 400,746.56 = 234,475.25 : x
  2. Step 2: Convert to fraction form
    267,690.30/400,746.56 = 234,475.25/x
  3. Step 3: Cross multiply
    267,690.30x = 400,746.56 × 234,475.25
  4. Step 4: Simplify right side
    267,690.30x = 93,965,146,666.53
  5. Step 5: Solve for x
    x = 93,965,146,666.53/267,690.30
  6. Step 6: Final answer
    x = 351,021.86

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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.