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Finding the Fourth Proportional to 468.74, 702.95 and 194.75

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Solution

The fourth proportional to 468.74, 702.95 and 194.75 is: 292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.74 : 702.95 = 194.75 : x
  2. Step 2: Convert to fraction form
    468.74/702.95 = 194.75/x
  3. Step 3: Cross multiply
    468.74x = 702.95 × 194.75
  4. Step 4: Simplify right side
    468.74x = 136,903.26
  5. Step 5: Solve for x
    x = 136,903.26/468.74
  6. Step 6: Final answer
    x = 292.07

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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.