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Finding the Fourth Proportional to 323,765.81, 484,732.90 and 171,616.22

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Solution

The fourth proportional to 323,765.81, 484,732.90 and 171,616.22 is: 256,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,765.81 : 484,732.90 = 171,616.22 : x
  2. Step 2: Convert to fraction form
    323,765.81/484,732.90 = 171,616.22/x
  3. Step 3: Cross multiply
    323,765.81x = 484,732.90 × 171,616.22
  4. Step 4: Simplify right side
    323,765.81x = 83,188,024,725.89
  5. Step 5: Solve for x
    x = 83,188,024,725.89/323,765.81
  6. Step 6: Final answer
    x = 256,938.88

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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.