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Finding the Fourth Proportional to 496,908.90, 745,363.35 and 164,441.70

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Solution

The fourth proportional to 496,908.90, 745,363.35 and 164,441.70 is: 246,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,908.90 : 745,363.35 = 164,441.70 : x
  2. Step 2: Convert to fraction form
    496,908.90/745,363.35 = 164,441.70/x
  3. Step 3: Cross multiply
    496,908.90x = 745,363.35 × 164,441.70
  4. Step 4: Simplify right side
    496,908.90x = 122,568,816,391.70
  5. Step 5: Solve for x
    x = 122,568,816,391.70/496,908.90
  6. Step 6: Final answer
    x = 246,662.55

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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.