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Finding the Fourth Proportional to 288,625.60, 432,282.30 and 182,337.40

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Solution

The fourth proportional to 288,625.60, 432,282.30 and 182,337.40 is: 273,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,625.60 : 432,282.30 = 182,337.40 : x
  2. Step 2: Convert to fraction form
    288,625.60/432,282.30 = 182,337.40/x
  3. Step 3: Cross multiply
    288,625.60x = 432,282.30 × 182,337.40
  4. Step 4: Simplify right side
    288,625.60x = 78,821,230,648.02
  5. Step 5: Solve for x
    x = 78,821,230,648.02/288,625.60
  6. Step 6: Final answer
    x = 273,091.61

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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.