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Finding the Fourth Proportional to 1,471.37, 2,206.91 and 497.41

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Solution

The fourth proportional to 1,471.37, 2,206.91 and 497.41 is: 746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.37 : 2,206.91 = 497.41 : x
  2. Step 2: Convert to fraction form
    1,471.37/2,206.91 = 497.41/x
  3. Step 3: Cross multiply
    1,471.37x = 2,206.91 × 497.41
  4. Step 4: Simplify right side
    1,471.37x = 1,097,734.83
  5. Step 5: Solve for x
    x = 1,097,734.83/1,471.37
  6. Step 6: Final answer
    x = 746.07

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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.