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Finding the Fourth Proportional to 481,206.60, 664,231.23 and 277,338.87

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Solution

The fourth proportional to 481,206.60, 664,231.23 and 277,338.87 is: 382,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,206.60 : 664,231.23 = 277,338.87 : x
  2. Step 2: Convert to fraction form
    481,206.60/664,231.23 = 277,338.87/x
  3. Step 3: Cross multiply
    481,206.60x = 664,231.23 × 277,338.87
  4. Step 4: Simplify right side
    481,206.60x = 184,217,138,746.91
  5. Step 5: Solve for x
    x = 184,217,138,746.91/481,206.60
  6. Step 6: Final answer
    x = 382,823.38

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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.