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Finding the Fourth Proportional to 468.45, 702.86 and 263.01

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Solution

The fourth proportional to 468.45, 702.86 and 263.01 is: 394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.45 : 702.86 = 263.01 : x
  2. Step 2: Convert to fraction form
    468.45/702.86 = 263.01/x
  3. Step 3: Cross multiply
    468.45x = 702.86 × 263.01
  4. Step 4: Simplify right side
    468.45x = 184,857.89
  5. Step 5: Solve for x
    x = 184,857.89/468.45
  6. Step 6: Final answer
    x = 394.62

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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.