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Finding the Fourth Proportional to 262,500.75, 393,809.45 and 96,288.75

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Solution

The fourth proportional to 262,500.75, 393,809.45 and 96,288.75 is: 144,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,500.75 : 393,809.45 = 96,288.75 : x
  2. Step 2: Convert to fraction form
    262,500.75/393,809.45 = 96,288.75/x
  3. Step 3: Cross multiply
    262,500.75x = 393,809.45 × 96,288.75
  4. Step 4: Simplify right side
    262,500.75x = 37,919,419,197.24
  5. Step 5: Solve for x
    x = 37,919,419,197.24/262,500.75
  6. Step 6: Final answer
    x = 144,454.52

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1.5x scale

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.