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Finding the Fourth Proportional to 746.52, 1,118.76 and 335.94

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Solution

The fourth proportional to 746.52, 1,118.76 and 335.94 is: 503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.52 : 1,118.76 = 335.94 : x
  2. Step 2: Convert to fraction form
    746.52/1,118.76 = 335.94/x
  3. Step 3: Cross multiply
    746.52x = 1,118.76 × 335.94
  4. Step 4: Simplify right side
    746.52x = 375,836.23
  5. Step 5: Solve for x
    x = 375,836.23/746.52
  6. Step 6: Final answer
    x = 503.45

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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.