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Finding the Fourth Proportional to 453,535.59, 625,738.21 and 257,269.72

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Solution

The fourth proportional to 453,535.59, 625,738.21 and 257,269.72 is: 354,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,535.59 : 625,738.21 = 257,269.72 : x
  2. Step 2: Convert to fraction form
    453,535.59/625,738.21 = 257,269.72/x
  3. Step 3: Cross multiply
    453,535.59x = 625,738.21 × 257,269.72
  4. Step 4: Simplify right side
    453,535.59x = 160,983,491,872.48
  5. Step 5: Solve for x
    x = 160,983,491,872.48/453,535.59
  6. Step 6: Final answer
    x = 354,952.28

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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.