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Finding the Fourth Proportional to 603,960.02, 905,275.72 and 248,780.28

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Solution

The fourth proportional to 603,960.02, 905,275.72 and 248,780.28 is: 372,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,960.02 : 905,275.72 = 248,780.28 : x
  2. Step 2: Convert to fraction form
    603,960.02/905,275.72 = 248,780.28/x
  3. Step 3: Cross multiply
    603,960.02x = 905,275.72 × 248,780.28
  4. Step 4: Simplify right side
    603,960.02x = 225,214,745,854.90
  5. Step 5: Solve for x
    x = 225,214,745,854.90/603,960.02
  6. Step 6: Final answer
    x = 372,896.78

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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.