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Finding the Fourth Proportional to 1,362.08, 2,043.72 and 496.52

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Solution

The fourth proportional to 1,362.08, 2,043.72 and 496.52 is: 745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.08 : 2,043.72 = 496.52 : x
  2. Step 2: Convert to fraction form
    1,362.08/2,043.72 = 496.52/x
  3. Step 3: Cross multiply
    1,362.08x = 2,043.72 × 496.52
  4. Step 4: Simplify right side
    1,362.08x = 1,014,747.85
  5. Step 5: Solve for x
    x = 1,014,747.85/1,362.08
  6. Step 6: Final answer
    x = 745.00

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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.