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Finding the Fourth Proportional to 924.44, 1,386.67 and 240.44

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Solution

The fourth proportional to 924.44, 1,386.67 and 240.44 is: 360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.44 : 1,386.67 = 240.44 : x
  2. Step 2: Convert to fraction form
    924.44/1,386.67 = 240.44/x
  3. Step 3: Cross multiply
    924.44x = 1,386.67 × 240.44
  4. Step 4: Simplify right side
    924.44x = 333,410.93
  5. Step 5: Solve for x
    x = 333,410.93/924.44
  6. Step 6: Final answer
    x = 360.66

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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.