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Finding the Fourth Proportional to 568.06, 783.23 and 462.94

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Solution

The fourth proportional to 568.06, 783.23 and 462.94 is: 638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.06 : 783.23 = 462.94 : x
  2. Step 2: Convert to fraction form
    568.06/783.23 = 462.94/x
  3. Step 3: Cross multiply
    568.06x = 783.23 × 462.94
  4. Step 4: Simplify right side
    568.06x = 362,584.22
  5. Step 5: Solve for x
    x = 362,584.22/568.06
  6. Step 6: Final answer
    x = 638.29

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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.