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Finding the Fourth Proportional to 625,164.48, 937,876.32 and 251,216.64

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Solution

The fourth proportional to 625,164.48, 937,876.32 and 251,216.64 is: 376,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,164.48 : 937,876.32 = 251,216.64 : x
  2. Step 2: Convert to fraction form
    625,164.48/937,876.32 = 251,216.64/x
  3. Step 3: Cross multiply
    625,164.48x = 937,876.32 × 251,216.64
  4. Step 4: Simplify right side
    625,164.48x = 235,610,137,845.97
  5. Step 5: Solve for x
    x = 235,610,137,845.97/625,164.48
  6. Step 6: Final answer
    x = 376,877.04

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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.