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Finding the Fourth Proportional to 1,503.26, 2,255.16 and 529.22

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Solution

The fourth proportional to 1,503.26, 2,255.16 and 529.22 is: 793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.26 : 2,255.16 = 529.22 : x
  2. Step 2: Convert to fraction form
    1,503.26/2,255.16 = 529.22/x
  3. Step 3: Cross multiply
    1,503.26x = 2,255.16 × 529.22
  4. Step 4: Simplify right side
    1,503.26x = 1,193,475.78
  5. Step 5: Solve for x
    x = 1,193,475.78/1,503.26
  6. Step 6: Final answer
    x = 793.93

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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.