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Finding the Fourth Proportional to 1,502.81, 2,253.78 and 462.79

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Solution

The fourth proportional to 1,502.81, 2,253.78 and 462.79 is: 694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.81 : 2,253.78 = 462.79 : x
  2. Step 2: Convert to fraction form
    1,502.81/2,253.78 = 462.79/x
  3. Step 3: Cross multiply
    1,502.81x = 2,253.78 × 462.79
  4. Step 4: Simplify right side
    1,502.81x = 1,043,029.66
  5. Step 5: Solve for x
    x = 1,043,029.66/1,502.81
  6. Step 6: Final answer
    x = 694.05

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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.