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Finding the Fourth Proportional to 924.05, 1,384.05 and 716.99

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Solution

The fourth proportional to 924.05, 1,384.05 and 716.99 is: 1,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.05 : 1,384.05 = 716.99 : x
  2. Step 2: Convert to fraction form
    924.05/1,384.05 = 716.99/x
  3. Step 3: Cross multiply
    924.05x = 1,384.05 × 716.99
  4. Step 4: Simplify right side
    924.05x = 992,350.01
  5. Step 5: Solve for x
    x = 992,350.01/924.05
  6. Step 6: Final answer
    x = 1,073.91

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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.