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Finding the Fourth Proportional to 322,272.30, 482,832.45 and 155,693.10

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Solution

The fourth proportional to 322,272.30, 482,832.45 and 155,693.10 is: 233,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,272.30 : 482,832.45 = 155,693.10 : x
  2. Step 2: Convert to fraction form
    322,272.30/482,832.45 = 155,693.10/x
  3. Step 3: Cross multiply
    322,272.30x = 482,832.45 × 155,693.10
  4. Step 4: Simplify right side
    322,272.30x = 75,173,680,921.10
  5. Step 5: Solve for x
    x = 75,173,680,921.10/322,272.30
  6. Step 6: Final answer
    x = 233,261.38

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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.