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Finding the Fourth Proportional to 793.58, 1,095.53 and 528.46

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Solution

The fourth proportional to 793.58, 1,095.53 and 528.46 is: 729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.58 : 1,095.53 = 528.46 : x
  2. Step 2: Convert to fraction form
    793.58/1,095.53 = 528.46/x
  3. Step 3: Cross multiply
    793.58x = 1,095.53 × 528.46
  4. Step 4: Simplify right side
    793.58x = 578,943.78
  5. Step 5: Solve for x
    x = 578,943.78/793.58
  6. Step 6: Final answer
    x = 729.53

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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.