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Finding the Fourth Proportional to 555.92, 767.24 and 334.96

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Solution

The fourth proportional to 555.92, 767.24 and 334.96 is: 462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.92 : 767.24 = 334.96 : x
  2. Step 2: Convert to fraction form
    555.92/767.24 = 334.96/x
  3. Step 3: Cross multiply
    555.92x = 767.24 × 334.96
  4. Step 4: Simplify right side
    555.92x = 256,994.71
  5. Step 5: Solve for x
    x = 256,994.71/555.92
  6. Step 6: Final answer
    x = 462.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.