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Finding the Fourth Proportional to 1,496.58, 2,245.02 and 572.57

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Solution

The fourth proportional to 1,496.58, 2,245.02 and 572.57 is: 858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.58 : 2,245.02 = 572.57 : x
  2. Step 2: Convert to fraction form
    1,496.58/2,245.02 = 572.57/x
  3. Step 3: Cross multiply
    1,496.58x = 2,245.02 × 572.57
  4. Step 4: Simplify right side
    1,496.58x = 1,285,426.15
  5. Step 5: Solve for x
    x = 1,285,426.15/1,496.58
  6. Step 6: Final answer
    x = 858.91

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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.