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Finding the Fourth Proportional to 793.37, 1,095.41 and 527.74

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Solution

The fourth proportional to 793.37, 1,095.41 and 527.74 is: 728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.37 : 1,095.41 = 527.74 : x
  2. Step 2: Convert to fraction form
    793.37/1,095.41 = 527.74/x
  3. Step 3: Cross multiply
    793.37x = 1,095.41 × 527.74
  4. Step 4: Simplify right side
    793.37x = 578,091.67
  5. Step 5: Solve for x
    x = 578,091.67/793.37
  6. Step 6: Final answer
    x = 728.65

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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.