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Finding the Fourth Proportional to 566.88, 782.33 and 314.82

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Solution

The fourth proportional to 566.88, 782.33 and 314.82 is: 434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.88 : 782.33 = 314.82 : x
  2. Step 2: Convert to fraction form
    566.88/782.33 = 314.82/x
  3. Step 3: Cross multiply
    566.88x = 782.33 × 314.82
  4. Step 4: Simplify right side
    566.88x = 246,293.92
  5. Step 5: Solve for x
    x = 246,293.92/566.88
  6. Step 6: Final answer
    x = 434.47

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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.