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Finding the Fourth Proportional to 440,989.70, 608,826.67 and 277,786.11

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Solution

The fourth proportional to 440,989.70, 608,826.67 and 277,786.11 is: 383,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,989.70 : 608,826.67 = 277,786.11 : x
  2. Step 2: Convert to fraction form
    440,989.70/608,826.67 = 277,786.11/x
  3. Step 3: Cross multiply
    440,989.70x = 608,826.67 × 277,786.11
  4. Step 4: Simplify right side
    440,989.70x = 169,123,591,629.09
  5. Step 5: Solve for x
    x = 169,123,591,629.09/440,989.70
  6. Step 6: Final answer
    x = 383,509.16

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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.