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Finding the Fourth Proportional to 561,581.28, 841,626.72 and 245,694.24

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Solution

The fourth proportional to 561,581.28, 841,626.72 and 245,694.24 is: 368,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,581.28 : 841,626.72 = 245,694.24 : x
  2. Step 2: Convert to fraction form
    561,581.28/841,626.72 = 245,694.24/x
  3. Step 3: Cross multiply
    561,581.28x = 841,626.72 × 245,694.24
  4. Step 4: Simplify right side
    561,581.28x = 206,782,837,334.09
  5. Step 5: Solve for x
    x = 206,782,837,334.09/561,581.28
  6. Step 6: Final answer
    x = 368,215.33

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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.