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Finding the Fourth Proportional to 732.13, 1,011.15 and 568.33

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Solution

The fourth proportional to 732.13, 1,011.15 and 568.33 is: 784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.13 : 1,011.15 = 568.33 : x
  2. Step 2: Convert to fraction form
    732.13/1,011.15 = 568.33/x
  3. Step 3: Cross multiply
    732.13x = 1,011.15 × 568.33
  4. Step 4: Simplify right side
    732.13x = 574,661.82
  5. Step 5: Solve for x
    x = 574,661.82/732.13
  6. Step 6: Final answer
    x = 784.92

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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.