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Finding the Fourth Proportional to 1,481.15, 2,222.04 and 507.27

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Solution

The fourth proportional to 1,481.15, 2,222.04 and 507.27 is: 761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.15 : 2,222.04 = 507.27 : x
  2. Step 2: Convert to fraction form
    1,481.15/2,222.04 = 507.27/x
  3. Step 3: Cross multiply
    1,481.15x = 2,222.04 × 507.27
  4. Step 4: Simplify right side
    1,481.15x = 1,127,174.23
  5. Step 5: Solve for x
    x = 1,127,174.23/1,481.15
  6. Step 6: Final answer
    x = 761.02

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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.