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Finding the Fourth Proportional to 1,648.52, 2,473.74 and 609.24

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Solution

The fourth proportional to 1,648.52, 2,473.74 and 609.24 is: 914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.52 : 2,473.74 = 609.24 : x
  2. Step 2: Convert to fraction form
    1,648.52/2,473.74 = 609.24/x
  3. Step 3: Cross multiply
    1,648.52x = 2,473.74 × 609.24
  4. Step 4: Simplify right side
    1,648.52x = 1,507,096.72
  5. Step 5: Solve for x
    x = 1,507,096.72/1,648.52
  6. Step 6: Final answer
    x = 914.21

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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.