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Finding the Fourth Proportional to 468.47, 703.04 and 225.13

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Solution

The fourth proportional to 468.47, 703.04 and 225.13 is: 337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.47 : 703.04 = 225.13 : x
  2. Step 2: Convert to fraction form
    468.47/703.04 = 225.13/x
  3. Step 3: Cross multiply
    468.47x = 703.04 × 225.13
  4. Step 4: Simplify right side
    468.47x = 158,275.40
  5. Step 5: Solve for x
    x = 158,275.40/468.47
  6. Step 6: Final answer
    x = 337.86

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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.