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Finding the Fourth Proportional to 1,502.70, 2,254.19 and 462.68

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Solution

The fourth proportional to 1,502.70, 2,254.19 and 462.68 is: 694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.70 : 2,254.19 = 462.68 : x
  2. Step 2: Convert to fraction form
    1,502.70/2,254.19 = 462.68/x
  3. Step 3: Cross multiply
    1,502.70x = 2,254.19 × 462.68
  4. Step 4: Simplify right side
    1,502.70x = 1,042,968.63
  5. Step 5: Solve for x
    x = 1,042,968.63/1,502.70
  6. Step 6: Final answer
    x = 694.06

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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.