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Finding the Fourth Proportional to 449,580.24, 619,777.17 and 277,383.15

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Solution

The fourth proportional to 449,580.24, 619,777.17 and 277,383.15 is: 382,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,580.24 : 619,777.17 = 277,383.15 : x
  2. Step 2: Convert to fraction form
    449,580.24/619,777.17 = 277,383.15/x
  3. Step 3: Cross multiply
    449,580.24x = 619,777.17 × 277,383.15
  4. Step 4: Simplify right side
    449,580.24x = 171,915,743,712.69
  5. Step 5: Solve for x
    x = 171,915,743,712.69/449,580.24
  6. Step 6: Final answer
    x = 382,391.68

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1.5x scale

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.