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Finding the Fourth Proportional to 404,157,739.70, 606,236,609.55 and 404,157,739.70

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Solution

The fourth proportional to 404,157,739.70, 606,236,609.55 and 404,157,739.70 is: 606,236,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,157,739.70 : 606,236,609.55 = 404,157,739.70 : x
  2. Step 2: Convert to fraction form
    404,157,739.70/606,236,609.55 = 404,157,739.70/x
  3. Step 3: Cross multiply
    404,157,739.70x = 606,236,609.55 × 404,157,739.70
  4. Step 4: Simplify right side
    404,157,739.70x = 245,015,217,839,119,392
  5. Step 5: Solve for x
    x = 245,015,217,839,119,392/404,157,739.70
  6. Step 6: Final answer
    x = 606,236,609.55

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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.