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Finding the Fourth Proportional to 226,754,849.60, 318,061,451.20 and 226,754,849.60

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Solution

The fourth proportional to 226,754,849.60, 318,061,451.20 and 226,754,849.60 is: 318,061,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,754,849.60 : 318,061,451.20 = 226,754,849.60 : x
  2. Step 2: Convert to fraction form
    226,754,849.60/318,061,451.20 = 226,754,849.60/x
  3. Step 3: Cross multiply
    226,754,849.60x = 318,061,451.20 × 226,754,849.60
  4. Step 4: Simplify right side
    226,754,849.60x = 72,121,976,530,413,728
  5. Step 5: Solve for x
    x = 72,121,976,530,413,728/226,754,849.60
  6. Step 6: Final answer
    x = 318,061,451.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.