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Finding the Fourth Proportional to 1,497.85, 2,245.35 and 523.69

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Solution

The fourth proportional to 1,497.85, 2,245.35 and 523.69 is: 785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.85 : 2,245.35 = 523.69 : x
  2. Step 2: Convert to fraction form
    1,497.85/2,245.35 = 523.69/x
  3. Step 3: Cross multiply
    1,497.85x = 2,245.35 × 523.69
  4. Step 4: Simplify right side
    1,497.85x = 1,175,867.34
  5. Step 5: Solve for x
    x = 1,175,867.34/1,497.85
  6. Step 6: Final answer
    x = 785.04

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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.