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Finding the Fourth Proportional to 250,474,662.16, 375,723,803.08 and 206,674,180.72

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Solution

The fourth proportional to 250,474,662.16, 375,723,803.08 and 206,674,180.72 is: 310,021,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,474,662.16 : 375,723,803.08 = 206,674,180.72 : x
  2. Step 2: Convert to fraction form
    250,474,662.16/375,723,803.08 = 206,674,180.72/x
  3. Step 3: Cross multiply
    250,474,662.16x = 375,723,803.08 × 206,674,180.72
  4. Step 4: Simplify right side
    250,474,662.16x = 77,652,409,178,561,616
  5. Step 5: Solve for x
    x = 77,652,409,178,561,616/250,474,662.16
  6. Step 6: Final answer
    x = 310,021,015.73

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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.