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Finding the Fourth Proportional to 373,105.05, 514,883.01 and 203,337.69

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Solution

The fourth proportional to 373,105.05, 514,883.01 and 203,337.69 is: 280,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,105.05 : 514,883.01 = 203,337.69 : x
  2. Step 2: Convert to fraction form
    373,105.05/514,883.01 = 203,337.69/x
  3. Step 3: Cross multiply
    373,105.05x = 514,883.01 × 203,337.69
  4. Step 4: Simplify right side
    373,105.05x = 104,695,121,873.65
  5. Step 5: Solve for x
    x = 104,695,121,873.65/373,105.05
  6. Step 6: Final answer
    x = 280,604.94

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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.