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Finding the Fourth Proportional to 914.24, 1,371.88 and 337.52

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Solution

The fourth proportional to 914.24, 1,371.88 and 337.52 is: 506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.24 : 1,371.88 = 337.52 : x
  2. Step 2: Convert to fraction form
    914.24/1,371.88 = 337.52/x
  3. Step 3: Cross multiply
    914.24x = 1,371.88 × 337.52
  4. Step 4: Simplify right side
    914.24x = 463,036.94
  5. Step 5: Solve for x
    x = 463,036.94/914.24
  6. Step 6: Final answer
    x = 506.47

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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.