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Finding the Fourth Proportional to 625,556.39, 938,334.67 and 152,241.75

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Solution

The fourth proportional to 625,556.39, 938,334.67 and 152,241.75 is: 228,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,556.39 : 938,334.67 = 152,241.75 : x
  2. Step 2: Convert to fraction form
    625,556.39/938,334.67 = 152,241.75/x
  3. Step 3: Cross multiply
    625,556.39x = 938,334.67 × 152,241.75
  4. Step 4: Simplify right side
    625,556.39x = 142,853,714,972.91
  5. Step 5: Solve for x
    x = 142,853,714,972.91/625,556.39
  6. Step 6: Final answer
    x = 228,362.65

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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.