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Finding the Fourth Proportional to 506,200.20, 760,175.10 and 270,004.20

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Solution

The fourth proportional to 506,200.20, 760,175.10 and 270,004.20 is: 405,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,200.20 : 760,175.10 = 270,004.20 : x
  2. Step 2: Convert to fraction form
    506,200.20/760,175.10 = 270,004.20/x
  3. Step 3: Cross multiply
    506,200.20x = 760,175.10 × 270,004.20
  4. Step 4: Simplify right side
    506,200.20x = 205,250,469,735.42
  5. Step 5: Solve for x
    x = 205,250,469,735.42/506,200.20
  6. Step 6: Final answer
    x = 405,472.91

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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.