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Finding the Fourth Proportional to 468.88, 702.70 and 295.30

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Solution

The fourth proportional to 468.88, 702.70 and 295.30 is: 442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.88 : 702.70 = 295.30 : x
  2. Step 2: Convert to fraction form
    468.88/702.70 = 295.30/x
  3. Step 3: Cross multiply
    468.88x = 702.70 × 295.30
  4. Step 4: Simplify right side
    468.88x = 207,507.31
  5. Step 5: Solve for x
    x = 207,507.31/468.88
  6. Step 6: Final answer
    x = 442.56

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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.