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Finding the Fourth Proportional to 1,654.96, 2,482.44 and 559.22

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Solution

The fourth proportional to 1,654.96, 2,482.44 and 559.22 is: 838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.96 : 2,482.44 = 559.22 : x
  2. Step 2: Convert to fraction form
    1,654.96/2,482.44 = 559.22/x
  3. Step 3: Cross multiply
    1,654.96x = 2,482.44 × 559.22
  4. Step 4: Simplify right side
    1,654.96x = 1,388,230.10
  5. Step 5: Solve for x
    x = 1,388,230.10/1,654.96
  6. Step 6: Final answer
    x = 838.83

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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.