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Finding the Fourth Proportional to 267,894.20, 401,258.10 and 162,529.40

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Solution

The fourth proportional to 267,894.20, 401,258.10 and 162,529.40 is: 243,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,894.20 : 401,258.10 = 162,529.40 : x
  2. Step 2: Convert to fraction form
    267,894.20/401,258.10 = 162,529.40/x
  3. Step 3: Cross multiply
    267,894.20x = 401,258.10 × 162,529.40
  4. Step 4: Simplify right side
    267,894.20x = 65,216,238,238.14
  5. Step 5: Solve for x
    x = 65,216,238,238.14/267,894.20
  6. Step 6: Final answer
    x = 243,440.28

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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.