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Finding the Fourth Proportional to 1,473.16, 2,208.96 and 650.48

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Solution

The fourth proportional to 1,473.16, 2,208.96 and 650.48 is: 975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.16 : 2,208.96 = 650.48 : x
  2. Step 2: Convert to fraction form
    1,473.16/2,208.96 = 650.48/x
  3. Step 3: Cross multiply
    1,473.16x = 2,208.96 × 650.48
  4. Step 4: Simplify right side
    1,473.16x = 1,436,884.30
  5. Step 5: Solve for x
    x = 1,436,884.30/1,473.16
  6. Step 6: Final answer
    x = 975.38

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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.