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Finding the Fourth Proportional to 1,497.72, 2,246.62 and 523.88

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Solution

The fourth proportional to 1,497.72, 2,246.62 and 523.88 is: 785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.72 : 2,246.62 = 523.88 : x
  2. Step 2: Convert to fraction form
    1,497.72/2,246.62 = 523.88/x
  3. Step 3: Cross multiply
    1,497.72x = 2,246.62 × 523.88
  4. Step 4: Simplify right side
    1,497.72x = 1,176,959.29
  5. Step 5: Solve for x
    x = 1,176,959.29/1,497.72
  6. Step 6: Final answer
    x = 785.83

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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.