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Finding the Fourth Proportional to 924.48, 1,388.88 and 794.88

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Solution

The fourth proportional to 924.48, 1,388.88 and 794.88 is: 1,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.48 : 1,388.88 = 794.88 : x
  2. Step 2: Convert to fraction form
    924.48/1,388.88 = 794.88/x
  3. Step 3: Cross multiply
    924.48x = 1,388.88 × 794.88
  4. Step 4: Simplify right side
    924.48x = 1,103,992.93
  5. Step 5: Solve for x
    x = 1,103,992.93/924.48
  6. Step 6: Final answer
    x = 1,194.18

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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.