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Finding the Fourth Proportional to 571,672,974.85, 857,550,448.47 and 239,345,562.49

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Solution

The fourth proportional to 571,672,974.85, 857,550,448.47 and 239,345,562.49 is: 359,035,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,672,974.85 : 857,550,448.47 = 239,345,562.49 : x
  2. Step 2: Convert to fraction form
    571,672,974.85/857,550,448.47 = 239,345,562.49/x
  3. Step 3: Cross multiply
    571,672,974.85x = 857,550,448.47 × 239,345,562.49
  4. Step 4: Simplify right side
    571,672,974.85x = 205,250,894,451,350,400
  5. Step 5: Solve for x
    x = 205,250,894,451,350,400/571,672,974.85
  6. Step 6: Final answer
    x = 359,035,503.66

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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.