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Finding the Fourth Proportional to 273,265,738.40, 409,898,607.60 and 246,906,264.80

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Solution

The fourth proportional to 273,265,738.40, 409,898,607.60 and 246,906,264.80 is: 370,359,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,265,738.40 : 409,898,607.60 = 246,906,264.80 : x
  2. Step 2: Convert to fraction form
    273,265,738.40/409,898,607.60 = 246,906,264.80/x
  3. Step 3: Cross multiply
    273,265,738.40x = 409,898,607.60 × 246,906,264.80
  4. Step 4: Simplify right side
    273,265,738.40x = 101,206,534,149,236,896
  5. Step 5: Solve for x
    x = 101,206,534,149,236,896/273,265,738.40
  6. Step 6: Final answer
    x = 370,359,397.20

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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.