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Finding the Fourth Proportional to 625,990.08, 939,078.66 and 226,724.06

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Solution

The fourth proportional to 625,990.08, 939,078.66 and 226,724.06 is: 340,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,990.08 : 939,078.66 = 226,724.06 : x
  2. Step 2: Convert to fraction form
    625,990.08/939,078.66 = 226,724.06/x
  3. Step 3: Cross multiply
    625,990.08x = 939,078.66 × 226,724.06
  4. Step 4: Simplify right side
    625,990.08x = 212,911,726,454.56
  5. Step 5: Solve for x
    x = 212,911,726,454.56/625,990.08
  6. Step 6: Final answer
    x = 340,119.97

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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.