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Finding the Fourth Proportional to 1,503.28, 2,254.92 and 529.48

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Solution

The fourth proportional to 1,503.28, 2,254.92 and 529.48 is: 794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.28 : 2,254.92 = 529.48 : x
  2. Step 2: Convert to fraction form
    1,503.28/2,254.92 = 529.48/x
  3. Step 3: Cross multiply
    1,503.28x = 2,254.92 × 529.48
  4. Step 4: Simplify right side
    1,503.28x = 1,193,935.04
  5. Step 5: Solve for x
    x = 1,193,935.04/1,503.28
  6. Step 6: Final answer
    x = 794.22

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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.