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Finding the Fourth Proportional to 300,702.64, 450,727.92 and 150,581.04

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Solution

The fourth proportional to 300,702.64, 450,727.92 and 150,581.04 is: 225,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,702.64 : 450,727.92 = 150,581.04 : x
  2. Step 2: Convert to fraction form
    300,702.64/450,727.92 = 150,581.04/x
  3. Step 3: Cross multiply
    300,702.64x = 450,727.92 × 150,581.04
  4. Step 4: Simplify right side
    300,702.64x = 67,871,078,950.64
  5. Step 5: Solve for x
    x = 67,871,078,950.64/300,702.64
  6. Step 6: Final answer
    x = 225,708.29

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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.