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Finding the Fourth Proportional to 702.86, 1,054.35 and 234.41

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Solution

The fourth proportional to 702.86, 1,054.35 and 234.41 is: 351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.86 : 1,054.35 = 234.41 : x
  2. Step 2: Convert to fraction form
    702.86/1,054.35 = 234.41/x
  3. Step 3: Cross multiply
    702.86x = 1,054.35 × 234.41
  4. Step 4: Simplify right side
    702.86x = 247,144.91
  5. Step 5: Solve for x
    x = 247,144.91/702.86
  6. Step 6: Final answer
    x = 351.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.