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Finding the Fourth Proportional to 417,241.48, 625,855.72 and 167,917

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Solution

The fourth proportional to 417,241.48, 625,855.72 and 167,917 is: 251,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,241.48 : 625,855.72 = 167,917 : x
  2. Step 2: Convert to fraction form
    417,241.48/625,855.72 = 167,917/x
  3. Step 3: Cross multiply
    417,241.48x = 625,855.72 × 167,917
  4. Step 4: Simplify right side
    417,241.48x = 105,091,814,935.24
  5. Step 5: Solve for x
    x = 105,091,814,935.24/417,241.48
  6. Step 6: Final answer
    x = 251,872.88

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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.