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Finding the Fourth Proportional to 454,148.40, 679,910.40 and 441,026.40

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Solution

The fourth proportional to 454,148.40, 679,910.40 and 441,026.40 is: 660,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,148.40 : 679,910.40 = 441,026.40 : x
  2. Step 2: Convert to fraction form
    454,148.40/679,910.40 = 441,026.40/x
  3. Step 3: Cross multiply
    454,148.40x = 679,910.40 × 441,026.40
  4. Step 4: Simplify right side
    454,148.40x = 299,858,436,034.56
  5. Step 5: Solve for x
    x = 299,858,436,034.56/454,148.40
  6. Step 6: Final answer
    x = 660,265.31

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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.