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Finding the Fourth Proportional to 392,630.64, 588,451.16 and 167,725.04

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Solution

The fourth proportional to 392,630.64, 588,451.16 and 167,725.04 is: 251,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,630.64 : 588,451.16 = 167,725.04 : x
  2. Step 2: Convert to fraction form
    392,630.64/588,451.16 = 167,725.04/x
  3. Step 3: Cross multiply
    392,630.64x = 588,451.16 × 167,725.04
  4. Step 4: Simplify right side
    392,630.64x = 98,697,994,349.05
  5. Step 5: Solve for x
    x = 98,697,994,349.05/392,630.64
  6. Step 6: Final answer
    x = 251,376.19

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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.