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Finding the Fourth Proportional to 1,252.24, 1,875.92 and 603.43

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Solution

The fourth proportional to 1,252.24, 1,875.92 and 603.43 is: 903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.24 : 1,875.92 = 603.43 : x
  2. Step 2: Convert to fraction form
    1,252.24/1,875.92 = 603.43/x
  3. Step 3: Cross multiply
    1,252.24x = 1,875.92 × 603.43
  4. Step 4: Simplify right side
    1,252.24x = 1,131,986.41
  5. Step 5: Solve for x
    x = 1,131,986.41/1,252.24
  6. Step 6: Final answer
    x = 903.97

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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.