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Finding the Fourth Proportional to 793.53, 1,095.18 and 514.08

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Solution

The fourth proportional to 793.53, 1,095.18 and 514.08 is: 709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.53 : 1,095.18 = 514.08 : x
  2. Step 2: Convert to fraction form
    793.53/1,095.18 = 514.08/x
  3. Step 3: Cross multiply
    793.53x = 1,095.18 × 514.08
  4. Step 4: Simplify right side
    793.53x = 563,010.13
  5. Step 5: Solve for x
    x = 563,010.13/793.53
  6. Step 6: Final answer
    x = 709.50

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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.