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Finding the Fourth Proportional to 481,041.25, 663,906.99 and 277,052.47

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Solution

The fourth proportional to 481,041.25, 663,906.99 and 277,052.47 is: 382,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,041.25 : 663,906.99 = 277,052.47 : x
  2. Step 2: Convert to fraction form
    481,041.25/663,906.99 = 277,052.47/x
  3. Step 3: Cross multiply
    481,041.25x = 663,906.99 × 277,052.47
  4. Step 4: Simplify right side
    481,041.25x = 183,937,071,429.77
  5. Step 5: Solve for x
    x = 183,937,071,429.77/481,041.25
  6. Step 6: Final answer
    x = 382,372.76

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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.