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Finding the Fourth Proportional to 383,981,570.70, 575,972,356.05 and 383,981,570.70

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Solution

The fourth proportional to 383,981,570.70, 575,972,356.05 and 383,981,570.70 is: 575,972,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,981,570.70 : 575,972,356.05 = 383,981,570.70 : x
  2. Step 2: Convert to fraction form
    383,981,570.70/575,972,356.05 = 383,981,570.70/x
  3. Step 3: Cross multiply
    383,981,570.70x = 575,972,356.05 × 383,981,570.70
  4. Step 4: Simplify right side
    383,981,570.70x = 221,162,769,955,858,624
  5. Step 5: Solve for x
    x = 221,162,769,955,858,624/383,981,570.70
  6. Step 6: Final answer
    x = 575,972,356.05

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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.