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Finding the Fourth Proportional to 625,556.88, 938,335.41 and 152,242.23

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Solution

The fourth proportional to 625,556.88, 938,335.41 and 152,242.23 is: 228,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,556.88 : 938,335.41 = 152,242.23 : x
  2. Step 2: Convert to fraction form
    625,556.88/938,335.41 = 152,242.23/x
  3. Step 3: Cross multiply
    625,556.88x = 938,335.41 × 152,242.23
  4. Step 4: Simplify right side
    625,556.88x = 142,854,275,306.36
  5. Step 5: Solve for x
    x = 142,854,275,306.36/625,556.88
  6. Step 6: Final answer
    x = 228,363.37

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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.