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Finding the Fourth Proportional to 454,156.40, 679,922.40 and 441,034.40

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Solution

The fourth proportional to 454,156.40, 679,922.40 and 441,034.40 is: 660,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,156.40 : 679,922.40 = 441,034.40 : x
  2. Step 2: Convert to fraction form
    454,156.40/679,922.40 = 441,034.40/x
  3. Step 3: Cross multiply
    454,156.40x = 679,922.40 × 441,034.40
  4. Step 4: Simplify right side
    454,156.40x = 299,869,167,730.56
  5. Step 5: Solve for x
    x = 299,869,167,730.56/454,156.40
  6. Step 6: Final answer
    x = 660,277.31

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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.