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Finding the Fourth Proportional to 591.95, 818.42 and 566.12

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Solution

The fourth proportional to 591.95, 818.42 and 566.12 is: 782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.95 : 818.42 = 566.12 : x
  2. Step 2: Convert to fraction form
    591.95/818.42 = 566.12/x
  3. Step 3: Cross multiply
    591.95x = 818.42 × 566.12
  4. Step 4: Simplify right side
    591.95x = 463,323.15
  5. Step 5: Solve for x
    x = 463,323.15/591.95
  6. Step 6: Final answer
    x = 782.70

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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.