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Finding the Fourth Proportional to 516,203.67, 774,305.51 and 200,734.39

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Solution

The fourth proportional to 516,203.67, 774,305.51 and 200,734.39 is: 301,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,203.67 : 774,305.51 = 200,734.39 : x
  2. Step 2: Convert to fraction form
    516,203.67/774,305.51 = 200,734.39/x
  3. Step 3: Cross multiply
    516,203.67x = 774,305.51 × 200,734.39
  4. Step 4: Simplify right side
    516,203.67x = 155,429,744,223.49
  5. Step 5: Solve for x
    x = 155,429,744,223.49/516,203.67
  6. Step 6: Final answer
    x = 301,101.59

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.