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Finding the Fourth Proportional to 404,207.70, 606,311.55 and 384,524.70

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Solution

The fourth proportional to 404,207.70, 606,311.55 and 384,524.70 is: 576,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,207.70 : 606,311.55 = 384,524.70 : x
  2. Step 2: Convert to fraction form
    404,207.70/606,311.55 = 384,524.70/x
  3. Step 3: Cross multiply
    404,207.70x = 606,311.55 × 384,524.70
  4. Step 4: Simplify right side
    404,207.70x = 233,141,766,870.29
  5. Step 5: Solve for x
    x = 233,141,766,870.29/404,207.70
  6. Step 6: Final answer
    x = 576,787.05

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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.