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Finding the Fourth Proportional to 417,344.28, 575,846.46 and 247,633.56

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Solution

The fourth proportional to 417,344.28, 575,846.46 and 247,633.56 is: 341,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,344.28 : 575,846.46 = 247,633.56 : x
  2. Step 2: Convert to fraction form
    417,344.28/575,846.46 = 247,633.56/x
  3. Step 3: Cross multiply
    417,344.28x = 575,846.46 × 247,633.56
  4. Step 4: Simplify right side
    417,344.28x = 142,598,908,903.20
  5. Step 5: Solve for x
    x = 142,598,908,903.20/417,344.28
  6. Step 6: Final answer
    x = 341,681.71

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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.