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Finding the Fourth Proportional to 323,675.70, 485,767.80 and 224,533.56

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Solution

The fourth proportional to 323,675.70, 485,767.80 and 224,533.56 is: 336,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,675.70 : 485,767.80 = 224,533.56 : x
  2. Step 2: Convert to fraction form
    323,675.70/485,767.80 = 224,533.56/x
  3. Step 3: Cross multiply
    323,675.70x = 485,767.80 × 224,533.56
  4. Step 4: Simplify right side
    323,675.70x = 109,071,173,467.37
  5. Step 5: Solve for x
    x = 109,071,173,467.37/323,675.70
  6. Step 6: Final answer
    x = 336,976.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.