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Finding the Fourth Proportional to 481,038.75, 663,903.54 and 277,049.97

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Solution

The fourth proportional to 481,038.75, 663,903.54 and 277,049.97 is: 382,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,038.75 : 663,903.54 = 277,049.97 : x
  2. Step 2: Convert to fraction form
    481,038.75/663,903.54 = 277,049.97/x
  3. Step 3: Cross multiply
    481,038.75x = 663,903.54 × 277,049.97
  4. Step 4: Simplify right side
    481,038.75x = 183,934,455,839.89
  5. Step 5: Solve for x
    x = 183,934,455,839.89/481,038.75
  6. Step 6: Final answer
    x = 382,369.31

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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.