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Finding the Fourth Proportional to 481,624,703.74, 664,697,226.54 and 269,988,694.57

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Solution

The fourth proportional to 481,624,703.74, 664,697,226.54 and 269,988,694.57 is: 372,615,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,624,703.74 : 664,697,226.54 = 269,988,694.57 : x
  2. Step 2: Convert to fraction form
    481,624,703.74/664,697,226.54 = 269,988,694.57/x
  3. Step 3: Cross multiply
    481,624,703.74x = 664,697,226.54 × 269,988,694.57
  4. Step 4: Simplify right side
    481,624,703.74x = 179,460,736,477,834,144
  5. Step 5: Solve for x
    x = 179,460,736,477,834,144/481,624,703.74
  6. Step 6: Final answer
    x = 372,615,306.24

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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.