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Finding the Fourth Proportional to 215,253.65, 322,855.27 and 57,494.41

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Solution

The fourth proportional to 215,253.65, 322,855.27 and 57,494.41 is: 86,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,253.65 : 322,855.27 = 57,494.41 : x
  2. Step 2: Convert to fraction form
    215,253.65/322,855.27 = 57,494.41/x
  3. Step 3: Cross multiply
    215,253.65x = 322,855.27 × 57,494.41
  4. Step 4: Simplify right side
    215,253.65x = 18,562,372,313.17
  5. Step 5: Solve for x
    x = 18,562,372,313.17/215,253.65
  6. Step 6: Final answer
    x = 86,234.88

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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.