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Finding the Fourth Proportional to 1,497.47, 2,246.92 and 676.00

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Solution

The fourth proportional to 1,497.47, 2,246.92 and 676.00 is: 1,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.47 : 2,246.92 = 676.00 : x
  2. Step 2: Convert to fraction form
    1,497.47/2,246.92 = 676.00/x
  3. Step 3: Cross multiply
    1,497.47x = 2,246.92 × 676.00
  4. Step 4: Simplify right side
    1,497.47x = 1,518,906.69
  5. Step 5: Solve for x
    x = 1,518,906.69/1,497.47
  6. Step 6: Final answer
    x = 1,014.32

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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.