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Finding the Fourth Proportional to 386,882.01, 580,349.68 and 162,016.04

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Solution

The fourth proportional to 386,882.01, 580,349.68 and 162,016.04 is: 243,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,882.01 : 580,349.68 = 162,016.04 : x
  2. Step 2: Convert to fraction form
    386,882.01/580,349.68 = 162,016.04/x
  3. Step 3: Cross multiply
    386,882.01x = 580,349.68 × 162,016.04
  4. Step 4: Simplify right side
    386,882.01x = 94,025,955,112.95
  5. Step 5: Solve for x
    x = 94,025,955,112.95/386,882.01
  6. Step 6: Final answer
    x = 243,035.22

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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.