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Finding the Fourth Proportional to 654,311.70, 981,467.55 and 595,262.70

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Solution

The fourth proportional to 654,311.70, 981,467.55 and 595,262.70 is: 892,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,311.70 : 981,467.55 = 595,262.70 : x
  2. Step 2: Convert to fraction form
    654,311.70/981,467.55 = 595,262.70/x
  3. Step 3: Cross multiply
    654,311.70x = 981,467.55 × 595,262.70
  4. Step 4: Simplify right side
    654,311.70x = 584,231,023,775.39
  5. Step 5: Solve for x
    x = 584,231,023,775.39/654,311.70
  6. Step 6: Final answer
    x = 892,894.05

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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.