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Finding the Fourth Proportional to 1,495.59, 2,244.20 and 674.66

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Solution

The fourth proportional to 1,495.59, 2,244.20 and 674.66 is: 1,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.59 : 2,244.20 = 674.66 : x
  2. Step 2: Convert to fraction form
    1,495.59/2,244.20 = 674.66/x
  3. Step 3: Cross multiply
    1,495.59x = 2,244.20 × 674.66
  4. Step 4: Simplify right side
    1,495.59x = 1,514,057.38
  5. Step 5: Solve for x
    x = 1,514,057.38/1,495.59
  6. Step 6: Final answer
    x = 1,012.35

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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.