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Finding the Fourth Proportional to 1,049.48, 1,574.41 and 501.67

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Solution

The fourth proportional to 1,049.48, 1,574.41 and 501.67 is: 752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.48 : 1,574.41 = 501.67 : x
  2. Step 2: Convert to fraction form
    1,049.48/1,574.41 = 501.67/x
  3. Step 3: Cross multiply
    1,049.48x = 1,574.41 × 501.67
  4. Step 4: Simplify right side
    1,049.48x = 789,832.90
  5. Step 5: Solve for x
    x = 789,832.90/1,049.48
  6. Step 6: Final answer
    x = 752.59

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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.