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Finding the Fourth Proportional to 392,210.17, 588,564.06 and 167,572.30

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Solution

The fourth proportional to 392,210.17, 588,564.06 and 167,572.30 is: 251,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,210.17 : 588,564.06 = 167,572.30 : x
  2. Step 2: Convert to fraction form
    392,210.17/588,564.06 = 167,572.30/x
  3. Step 3: Cross multiply
    392,210.17x = 588,564.06 × 167,572.30
  4. Step 4: Simplify right side
    392,210.17x = 98,627,033,231.54
  5. Step 5: Solve for x
    x = 98,627,033,231.54/392,210.17
  6. Step 6: Final answer
    x = 251,464.75

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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.