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Finding the Fourth Proportional to 362,638.28, 500,279.82 and 241,661.72

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Solution

The fourth proportional to 362,638.28, 500,279.82 and 241,661.72 is: 333,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,638.28 : 500,279.82 = 241,661.72 : x
  2. Step 2: Convert to fraction form
    362,638.28/500,279.82 = 241,661.72/x
  3. Step 3: Cross multiply
    362,638.28x = 500,279.82 × 241,661.72
  4. Step 4: Simplify right side
    362,638.28x = 120,898,481,782.49
  5. Step 5: Solve for x
    x = 120,898,481,782.49/362,638.28
  6. Step 6: Final answer
    x = 333,385.88

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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.