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Finding the Fourth Proportional to 1,502.48, 2,252.48 and 529.20

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Solution

The fourth proportional to 1,502.48, 2,252.48 and 529.20 is: 793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.48 : 2,252.48 = 529.20 : x
  2. Step 2: Convert to fraction form
    1,502.48/2,252.48 = 529.20/x
  3. Step 3: Cross multiply
    1,502.48x = 2,252.48 × 529.20
  4. Step 4: Simplify right side
    1,502.48x = 1,192,012.42
  5. Step 5: Solve for x
    x = 1,192,012.42/1,502.48
  6. Step 6: Final answer
    x = 793.36

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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.