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Finding the Fourth Proportional to 1,334.93, 2,002.32 and 361.17

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Solution

The fourth proportional to 1,334.93, 2,002.32 and 361.17 is: 541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.93 : 2,002.32 = 361.17 : x
  2. Step 2: Convert to fraction form
    1,334.93/2,002.32 = 361.17/x
  3. Step 3: Cross multiply
    1,334.93x = 2,002.32 × 361.17
  4. Step 4: Simplify right side
    1,334.93x = 723,177.91
  5. Step 5: Solve for x
    x = 723,177.91/1,334.93
  6. Step 6: Final answer
    x = 541.74

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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.