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Finding the Fourth Proportional to 833.23, 1,149.65 and 567.19

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Solution

The fourth proportional to 833.23, 1,149.65 and 567.19 is: 782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.23 : 1,149.65 = 567.19 : x
  2. Step 2: Convert to fraction form
    833.23/1,149.65 = 567.19/x
  3. Step 3: Cross multiply
    833.23x = 1,149.65 × 567.19
  4. Step 4: Simplify right side
    833.23x = 652,067.15
  5. Step 5: Solve for x
    x = 652,067.15/833.23
  6. Step 6: Final answer
    x = 782.58

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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.