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Finding the Fourth Proportional to 273,266,314.40, 409,899,471.60 and 246,906,840.80

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Solution

The fourth proportional to 273,266,314.40, 409,899,471.60 and 246,906,840.80 is: 370,360,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,266,314.40 : 409,899,471.60 = 246,906,840.80 : x
  2. Step 2: Convert to fraction form
    273,266,314.40/409,899,471.60 = 246,906,840.80/x
  3. Step 3: Cross multiply
    273,266,314.40x = 409,899,471.60 × 246,906,840.80
  4. Step 4: Simplify right side
    273,266,314.40x = 101,206,983,578,345,328
  5. Step 5: Solve for x
    x = 101,206,983,578,345,328/273,266,314.40
  6. Step 6: Final answer
    x = 370,360,261.20

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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.