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Finding the Fourth Proportional to 522,822.40, 784,233.60 and 167,872.30

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Solution

The fourth proportional to 522,822.40, 784,233.60 and 167,872.30 is: 251,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,822.40 : 784,233.60 = 167,872.30 : x
  2. Step 2: Convert to fraction form
    522,822.40/784,233.60 = 167,872.30/x
  3. Step 3: Cross multiply
    522,822.40x = 784,233.60 × 167,872.30
  4. Step 4: Simplify right side
    522,822.40x = 131,651,098,169.28
  5. Step 5: Solve for x
    x = 131,651,098,169.28/522,822.40
  6. Step 6: Final answer
    x = 251,808.45

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Similar ratio
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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.