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Finding the Fourth Proportional to 600,428.70, 898,456.05 and 442,964.70

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Solution

The fourth proportional to 600,428.70, 898,456.05 and 442,964.70 is: 662,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,428.70 : 898,456.05 = 442,964.70 : x
  2. Step 2: Convert to fraction form
    600,428.70/898,456.05 = 442,964.70/x
  3. Step 3: Cross multiply
    600,428.70x = 898,456.05 × 442,964.70
  4. Step 4: Simplify right side
    600,428.70x = 397,984,314,651.44
  5. Step 5: Solve for x
    x = 397,984,314,651.44/600,428.70
  6. Step 6: Final answer
    x = 662,833.60

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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.