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Finding the Fourth Proportional to 625,143.33, 936,689.82 and 265,026.45

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Solution

The fourth proportional to 625,143.33, 936,689.82 and 265,026.45 is: 397,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,143.33 : 936,689.82 = 265,026.45 : x
  2. Step 2: Convert to fraction form
    625,143.33/936,689.82 = 265,026.45/x
  3. Step 3: Cross multiply
    625,143.33x = 936,689.82 × 265,026.45
  4. Step 4: Simplify right side
    625,143.33x = 248,247,577,745.74
  5. Step 5: Solve for x
    x = 248,247,577,745.74/625,143.33
  6. Step 6: Final answer
    x = 397,105.06

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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.