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Finding the Fourth Proportional to 655,866.56, 982,947.72 and 295,772.96

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Solution

The fourth proportional to 655,866.56, 982,947.72 and 295,772.96 is: 443,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,866.56 : 982,947.72 = 295,772.96 : x
  2. Step 2: Convert to fraction form
    655,866.56/982,947.72 = 295,772.96/x
  3. Step 3: Cross multiply
    655,866.56x = 982,947.72 × 295,772.96
  4. Step 4: Simplify right side
    655,866.56x = 290,729,356,669.65
  5. Step 5: Solve for x
    x = 290,729,356,669.65/655,866.56
  6. Step 6: Final answer
    x = 443,275.16

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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.