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Finding the Fourth Proportional to 924.99, 1,387.22 and 694.41

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Solution

The fourth proportional to 924.99, 1,387.22 and 694.41 is: 1,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.99 : 1,387.22 = 694.41 : x
  2. Step 2: Convert to fraction form
    924.99/1,387.22 = 694.41/x
  3. Step 3: Cross multiply
    924.99x = 1,387.22 × 694.41
  4. Step 4: Simplify right side
    924.99x = 963,295.97
  5. Step 5: Solve for x
    x = 963,295.97/924.99
  6. Step 6: Final answer
    x = 1,041.41

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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.