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Finding the Fourth Proportional to 824.76, 1,237.13 and 337.72

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Solution

The fourth proportional to 824.76, 1,237.13 and 337.72 is: 506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.76 : 1,237.13 = 337.72 : x
  2. Step 2: Convert to fraction form
    824.76/1,237.13 = 337.72/x
  3. Step 3: Cross multiply
    824.76x = 1,237.13 × 337.72
  4. Step 4: Simplify right side
    824.76x = 417,803.54
  5. Step 5: Solve for x
    x = 417,803.54/824.76
  6. Step 6: Final answer
    x = 506.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.