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Finding the Fourth Proportional to 924.17, 1,386.22 and 376.33

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Solution

The fourth proportional to 924.17, 1,386.22 and 376.33 is: 564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.17 : 1,386.22 = 376.33 : x
  2. Step 2: Convert to fraction form
    924.17/1,386.22 = 376.33/x
  3. Step 3: Cross multiply
    924.17x = 1,386.22 × 376.33
  4. Step 4: Simplify right side
    924.17x = 521,676.17
  5. Step 5: Solve for x
    x = 521,676.17/924.17
  6. Step 6: Final answer
    x = 564.48

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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.