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Finding the Fourth Proportional to 555.92, 767.25 and 360.01

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Solution

The fourth proportional to 555.92, 767.25 and 360.01 is: 496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.92 : 767.25 = 360.01 : x
  2. Step 2: Convert to fraction form
    555.92/767.25 = 360.01/x
  3. Step 3: Cross multiply
    555.92x = 767.25 × 360.01
  4. Step 4: Simplify right side
    555.92x = 276,217.67
  5. Step 5: Solve for x
    x = 276,217.67/555.92
  6. Step 6: Final answer
    x = 496.87

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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.