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Finding the Fourth Proportional to 773.94, 1,159.25 and 514.07

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Solution

The fourth proportional to 773.94, 1,159.25 and 514.07 is: 770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.94 : 1,159.25 = 514.07 : x
  2. Step 2: Convert to fraction form
    773.94/1,159.25 = 514.07/x
  3. Step 3: Cross multiply
    773.94x = 1,159.25 × 514.07
  4. Step 4: Simplify right side
    773.94x = 595,935.65
  5. Step 5: Solve for x
    x = 595,935.65/773.94
  6. Step 6: Final answer
    x = 770.00

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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.