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Finding the Fourth Proportional to 414,590.50, 621,861.04 and 243,908.11

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Solution

The fourth proportional to 414,590.50, 621,861.04 and 243,908.11 is: 365,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,590.50 : 621,861.04 = 243,908.11 : x
  2. Step 2: Convert to fraction form
    414,590.50/621,861.04 = 243,908.11/x
  3. Step 3: Cross multiply
    414,590.50x = 621,861.04 × 243,908.11
  4. Step 4: Simplify right side
    414,590.50x = 151,676,950,949.03
  5. Step 5: Solve for x
    x = 151,676,950,949.03/414,590.50
  6. Step 6: Final answer
    x = 365,847.63

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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.