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Finding the Fourth Proportional to 332,936.46, 499,760.07 and 143,490.32

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Solution

The fourth proportional to 332,936.46, 499,760.07 and 143,490.32 is: 215,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,936.46 : 499,760.07 = 143,490.32 : x
  2. Step 2: Convert to fraction form
    332,936.46/499,760.07 = 143,490.32/x
  3. Step 3: Cross multiply
    332,936.46x = 499,760.07 × 143,490.32
  4. Step 4: Simplify right side
    332,936.46x = 71,710,732,367.52
  5. Step 5: Solve for x
    x = 71,710,732,367.52/332,936.46
  6. Step 6: Final answer
    x = 215,388.64

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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.