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Finding the Fourth Proportional to 267,473.76, 400,856.40 and 223,188

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Solution

The fourth proportional to 267,473.76, 400,856.40 and 223,188 is: 334,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,473.76 : 400,856.40 = 223,188 : x
  2. Step 2: Convert to fraction form
    267,473.76/400,856.40 = 223,188/x
  3. Step 3: Cross multiply
    267,473.76x = 400,856.40 × 223,188
  4. Step 4: Simplify right side
    267,473.76x = 89,466,338,203.20
  5. Step 5: Solve for x
    x = 89,466,338,203.20/267,473.76
  6. Step 6: Final answer
    x = 334,486.41

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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.