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Finding the Fourth Proportional to 448,686.81, 619,189.73 and 244,742.11

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Solution

The fourth proportional to 448,686.81, 619,189.73 and 244,742.11 is: 337,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,686.81 : 619,189.73 = 244,742.11 : x
  2. Step 2: Convert to fraction form
    448,686.81/619,189.73 = 244,742.11/x
  3. Step 3: Cross multiply
    448,686.81x = 619,189.73 × 244,742.11
  4. Step 4: Simplify right side
    448,686.81x = 151,541,801,010.53
  5. Step 5: Solve for x
    x = 151,541,801,010.53/448,686.81
  6. Step 6: Final answer
    x = 337,745.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.