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Finding the Fourth Proportional to 924.26, 1,386.41 and 376.06

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Solution

The fourth proportional to 924.26, 1,386.41 and 376.06 is: 564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.26 : 1,386.41 = 376.06 : x
  2. Step 2: Convert to fraction form
    924.26/1,386.41 = 376.06/x
  3. Step 3: Cross multiply
    924.26x = 1,386.41 × 376.06
  4. Step 4: Simplify right side
    924.26x = 521,375.37
  5. Step 5: Solve for x
    x = 521,375.37/924.26
  6. Step 6: Final answer
    x = 564.10

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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.