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Finding the Fourth Proportional to 582.30, 798.64 and 552.61

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Solution

The fourth proportional to 582.30, 798.64 and 552.61 is: 757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.30 : 798.64 = 552.61 : x
  2. Step 2: Convert to fraction form
    582.30/798.64 = 552.61/x
  3. Step 3: Cross multiply
    582.30x = 798.64 × 552.61
  4. Step 4: Simplify right side
    582.30x = 441,336.07
  5. Step 5: Solve for x
    x = 441,336.07/582.30
  6. Step 6: Final answer
    x = 757.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.