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Finding the Fourth Proportional to 1,004.84, 1,501.24 and 999.44

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Solution

The fourth proportional to 1,004.84, 1,501.24 and 999.44 is: 1,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.84 : 1,501.24 = 999.44 : x
  2. Step 2: Convert to fraction form
    1,004.84/1,501.24 = 999.44/x
  3. Step 3: Cross multiply
    1,004.84x = 1,501.24 × 999.44
  4. Step 4: Simplify right side
    1,004.84x = 1,500,399.31
  5. Step 5: Solve for x
    x = 1,500,399.31/1,004.84
  6. Step 6: Final answer
    x = 1,493.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.