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Finding the Fourth Proportional to 349,725.60, 523,983.60 and 162,352.80

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Solution

The fourth proportional to 349,725.60, 523,983.60 and 162,352.80 is: 243,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,725.60 : 523,983.60 = 162,352.80 : x
  2. Step 2: Convert to fraction form
    349,725.60/523,983.60 = 162,352.80/x
  3. Step 3: Cross multiply
    349,725.60x = 523,983.60 × 162,352.80
  4. Step 4: Simplify right side
    349,725.60x = 85,070,204,614.08
  5. Step 5: Solve for x
    x = 85,070,204,614.08/349,725.60
  6. Step 6: Final answer
    x = 243,248.43

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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.