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Finding the Fourth Proportional to 448,707.60, 619,228.16 and 244,761.96

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Solution

The fourth proportional to 448,707.60, 619,228.16 and 244,761.96 is: 337,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,707.60 : 619,228.16 = 244,761.96 : x
  2. Step 2: Convert to fraction form
    448,707.60/619,228.16 = 244,761.96/x
  3. Step 3: Cross multiply
    448,707.60x = 619,228.16 × 244,761.96
  4. Step 4: Simplify right side
    448,707.60x = 151,563,498,128.79
  5. Step 5: Solve for x
    x = 151,563,498,128.79/448,707.60
  6. Step 6: Final answer
    x = 337,777.87

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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.