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Finding the Fourth Proportional to 625,086, 937,787.76 and 181,854

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Solution

The fourth proportional to 625,086, 937,787.76 and 181,854 is: 272,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,086 : 937,787.76 = 181,854 : x
  2. Step 2: Convert to fraction form
    625,086/937,787.76 = 181,854/x
  3. Step 3: Cross multiply
    625,086x = 937,787.76 × 181,854
  4. Step 4: Simplify right side
    625,086x = 170,540,455,307.04
  5. Step 5: Solve for x
    x = 170,540,455,307.04/625,086
  6. Step 6: Final answer
    x = 272,827.19

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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.