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Finding the Fourth Proportional to 448,366.56, 618,750 and 247,169.76

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Solution

The fourth proportional to 448,366.56, 618,750 and 247,169.76 is: 341,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,366.56 : 618,750 = 247,169.76 : x
  2. Step 2: Convert to fraction form
    448,366.56/618,750 = 247,169.76/x
  3. Step 3: Cross multiply
    448,366.56x = 618,750 × 247,169.76
  4. Step 4: Simplify right side
    448,366.56x = 152,936,289,000
  5. Step 5: Solve for x
    x = 152,936,289,000/448,366.56
  6. Step 6: Final answer
    x = 341,096.56

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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.