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Finding the Fourth Proportional to 468.48, 702.70 and 262.74

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Solution

The fourth proportional to 468.48, 702.70 and 262.74 is: 394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.48 : 702.70 = 262.74 : x
  2. Step 2: Convert to fraction form
    468.48/702.70 = 262.74/x
  3. Step 3: Cross multiply
    468.48x = 702.70 × 262.74
  4. Step 4: Simplify right side
    468.48x = 184,627.40
  5. Step 5: Solve for x
    x = 184,627.40/468.48
  6. Step 6: Final answer
    x = 394.10

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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.