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Finding the Fourth Proportional to 363,220.08, 544,824.24 and 163,399.16

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Solution

The fourth proportional to 363,220.08, 544,824.24 and 163,399.16 is: 245,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,220.08 : 544,824.24 = 163,399.16 : x
  2. Step 2: Convert to fraction form
    363,220.08/544,824.24 = 163,399.16/x
  3. Step 3: Cross multiply
    363,220.08x = 544,824.24 × 163,399.16
  4. Step 4: Simplify right side
    363,220.08x = 89,023,820,439.52
  5. Step 5: Solve for x
    x = 89,023,820,439.52/363,220.08
  6. Step 6: Final answer
    x = 245,096.09

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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.