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Finding the Fourth Proportional to 518,446.92, 777,644.40 and 202,961.64

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Solution

The fourth proportional to 518,446.92, 777,644.40 and 202,961.64 is: 304,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,446.92 : 777,644.40 = 202,961.64 : x
  2. Step 2: Convert to fraction form
    518,446.92/777,644.40 = 202,961.64/x
  3. Step 3: Cross multiply
    518,446.92x = 777,644.40 × 202,961.64
  4. Step 4: Simplify right side
    518,446.92x = 157,831,982,760.82
  5. Step 5: Solve for x
    x = 157,831,982,760.82/518,446.92
  6. Step 6: Final answer
    x = 304,432.29

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1.5x scale

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.