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Finding the Fourth Proportional to 453,392.73, 679,155.44 and 265,952.25

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Solution

The fourth proportional to 453,392.73, 679,155.44 and 265,952.25 is: 398,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,392.73 : 679,155.44 = 265,952.25 : x
  2. Step 2: Convert to fraction form
    453,392.73/679,155.44 = 265,952.25/x
  3. Step 3: Cross multiply
    453,392.73x = 679,155.44 × 265,952.25
  4. Step 4: Simplify right side
    453,392.73x = 180,622,916,037.98
  5. Step 5: Solve for x
    x = 180,622,916,037.98/453,392.73
  6. Step 6: Final answer
    x = 398,380.71

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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.