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Finding the Fourth Proportional to 315.26, 473.17 and 234.53

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Solution

The fourth proportional to 315.26, 473.17 and 234.53 is: 352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.26 : 473.17 = 234.53 : x
  2. Step 2: Convert to fraction form
    315.26/473.17 = 234.53/x
  3. Step 3: Cross multiply
    315.26x = 473.17 × 234.53
  4. Step 4: Simplify right side
    315.26x = 110,973.16
  5. Step 5: Solve for x
    x = 110,973.16/315.26
  6. Step 6: Final answer
    x = 352.00

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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.