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Finding the Fourth Proportional to 750.27, 1,124.06 and 403.25

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Solution

The fourth proportional to 750.27, 1,124.06 and 403.25 is: 604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.27 : 1,124.06 = 403.25 : x
  2. Step 2: Convert to fraction form
    750.27/1,124.06 = 403.25/x
  3. Step 3: Cross multiply
    750.27x = 1,124.06 × 403.25
  4. Step 4: Simplify right side
    750.27x = 453,269.56
  5. Step 5: Solve for x
    x = 453,269.56/750.27
  6. Step 6: Final answer
    x = 604.14

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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.