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Finding the Fourth Proportional to 732.63, 1,010.48 and 564.56

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Solution

The fourth proportional to 732.63, 1,010.48 and 564.56 is: 778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.63 : 1,010.48 = 564.56 : x
  2. Step 2: Convert to fraction form
    732.63/1,010.48 = 564.56/x
  3. Step 3: Cross multiply
    732.63x = 1,010.48 × 564.56
  4. Step 4: Simplify right side
    732.63x = 570,468.71
  5. Step 5: Solve for x
    x = 570,468.71/732.63
  6. Step 6: Final answer
    x = 778.66

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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.