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Finding the Fourth Proportional to 1,697.66, 2,546.40 and 464.99

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Solution

The fourth proportional to 1,697.66, 2,546.40 and 464.99 is: 697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.66 : 2,546.40 = 464.99 : x
  2. Step 2: Convert to fraction form
    1,697.66/2,546.40 = 464.99/x
  3. Step 3: Cross multiply
    1,697.66x = 2,546.40 × 464.99
  4. Step 4: Simplify right side
    1,697.66x = 1,184,037.80
  5. Step 5: Solve for x
    x = 1,184,037.80/1,697.66
  6. Step 6: Final answer
    x = 697.45

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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.