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Finding the Fourth Proportional to 1,529.53, 2,294.22 and 433.76

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Solution

The fourth proportional to 1,529.53, 2,294.22 and 433.76 is: 650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.53 : 2,294.22 = 433.76 : x
  2. Step 2: Convert to fraction form
    1,529.53/2,294.22 = 433.76/x
  3. Step 3: Cross multiply
    1,529.53x = 2,294.22 × 433.76
  4. Step 4: Simplify right side
    1,529.53x = 995,131.02
  5. Step 5: Solve for x
    x = 995,131.02/1,529.53
  6. Step 6: Final answer
    x = 650.61

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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.