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Finding the Fourth Proportional to 262,463.96, 393,388.63 and 100,251.65

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Solution

The fourth proportional to 262,463.96, 393,388.63 and 100,251.65 is: 150,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,463.96 : 393,388.63 = 100,251.65 : x
  2. Step 2: Convert to fraction form
    262,463.96/393,388.63 = 100,251.65/x
  3. Step 3: Cross multiply
    262,463.96x = 393,388.63 × 100,251.65
  4. Step 4: Simplify right side
    262,463.96x = 39,437,859,248.74
  5. Step 5: Solve for x
    x = 39,437,859,248.74/262,463.96
  6. Step 6: Final answer
    x = 150,260.09

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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.