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Finding the Fourth Proportional to 469.46, 702.66 and 263.54

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Solution

The fourth proportional to 469.46, 702.66 and 263.54 is: 394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.46 : 702.66 = 263.54 : x
  2. Step 2: Convert to fraction form
    469.46/702.66 = 263.54/x
  3. Step 3: Cross multiply
    469.46x = 702.66 × 263.54
  4. Step 4: Simplify right side
    469.46x = 185,179.02
  5. Step 5: Solve for x
    x = 185,179.02/469.46
  6. Step 6: Final answer
    x = 394.45

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Why These Related Problems?

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