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Finding the Fourth Proportional to 1,697.68, 2,546.52 and 465.22

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Solution

The fourth proportional to 1,697.68, 2,546.52 and 465.22 is: 697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.68 : 2,546.52 = 465.22 : x
  2. Step 2: Convert to fraction form
    1,697.68/2,546.52 = 465.22/x
  3. Step 3: Cross multiply
    1,697.68x = 2,546.52 × 465.22
  4. Step 4: Simplify right side
    1,697.68x = 1,184,676.98
  5. Step 5: Solve for x
    x = 1,184,676.98/1,697.68
  6. Step 6: Final answer
    x = 697.82

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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.