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Finding the Fourth Proportional to 1,496.40, 2,244.37 and 572.39

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Solution

The fourth proportional to 1,496.40, 2,244.37 and 572.39 is: 858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.40 : 2,244.37 = 572.39 : x
  2. Step 2: Convert to fraction form
    1,496.40/2,244.37 = 572.39/x
  3. Step 3: Cross multiply
    1,496.40x = 2,244.37 × 572.39
  4. Step 4: Simplify right side
    1,496.40x = 1,284,654.94
  5. Step 5: Solve for x
    x = 1,284,654.94/1,496.40
  6. Step 6: Final answer
    x = 858.50

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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.