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Finding the Fourth Proportional to 1,474.96, 2,212.74 and 501.34

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Solution

The fourth proportional to 1,474.96, 2,212.74 and 501.34 is: 752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.96 : 2,212.74 = 501.34 : x
  2. Step 2: Convert to fraction form
    1,474.96/2,212.74 = 501.34/x
  3. Step 3: Cross multiply
    1,474.96x = 2,212.74 × 501.34
  4. Step 4: Simplify right side
    1,474.96x = 1,109,335.07
  5. Step 5: Solve for x
    x = 1,109,335.07/1,474.96
  6. Step 6: Final answer
    x = 752.11

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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.