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Finding the Fourth Proportional to 274,966,341.87, 380,452,768.89 and 239,757,516.03

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Solution

The fourth proportional to 274,966,341.87, 380,452,768.89 and 239,757,516.03 is: 331,736,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,966,341.87 : 380,452,768.89 = 239,757,516.03 : x
  2. Step 2: Convert to fraction form
    274,966,341.87/380,452,768.89 = 239,757,516.03/x
  3. Step 3: Cross multiply
    274,966,341.87x = 380,452,768.89 × 239,757,516.03
  4. Step 4: Simplify right side
    274,966,341.87x = 91,216,410,835,802,064
  5. Step 5: Solve for x
    x = 91,216,410,835,802,064/274,966,341.87
  6. Step 6: Final answer
    x = 331,736,641.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.