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Finding the Fourth Proportional to 362,991.44, 500,723.92 and 217,758.59

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Solution

The fourth proportional to 362,991.44, 500,723.92 and 217,758.59 is: 300,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,991.44 : 500,723.92 = 217,758.59 : x
  2. Step 2: Convert to fraction form
    362,991.44/500,723.92 = 217,758.59/x
  3. Step 3: Cross multiply
    362,991.44x = 500,723.92 × 217,758.59
  4. Step 4: Simplify right side
    362,991.44x = 109,036,931,750.46
  5. Step 5: Solve for x
    x = 109,036,931,750.46/362,991.44
  6. Step 6: Final answer
    x = 300,384.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.