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Finding the Fourth Proportional to 369,761.92, 510,270.43 and 199,995.64

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Solution

The fourth proportional to 369,761.92, 510,270.43 and 199,995.64 is: 275,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,761.92 : 510,270.43 = 199,995.64 : x
  2. Step 2: Convert to fraction form
    369,761.92/510,270.43 = 199,995.64/x
  3. Step 3: Cross multiply
    369,761.92x = 510,270.43 × 199,995.64
  4. Step 4: Simplify right side
    369,761.92x = 102,051,861,220.93
  5. Step 5: Solve for x
    x = 102,051,861,220.93/369,761.92
  6. Step 6: Final answer
    x = 275,993.43

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Half scale
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Double scale
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Similar ratio
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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.