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Finding the Fourth Proportional to 738.17, 1,107.94 and 373.22

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Solution

The fourth proportional to 738.17, 1,107.94 and 373.22 is: 560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.17 : 1,107.94 = 373.22 : x
  2. Step 2: Convert to fraction form
    738.17/1,107.94 = 373.22/x
  3. Step 3: Cross multiply
    738.17x = 1,107.94 × 373.22
  4. Step 4: Simplify right side
    738.17x = 413,497.96
  5. Step 5: Solve for x
    x = 413,497.96/738.17
  6. Step 6: Final answer
    x = 560.17

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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.