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Finding the Fourth Proportional to 516,203.55, 774,305.33 and 200,734.27

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Solution

The fourth proportional to 516,203.55, 774,305.33 and 200,734.27 is: 301,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,203.55 : 774,305.33 = 200,734.27 : x
  2. Step 2: Convert to fraction form
    516,203.55/774,305.33 = 200,734.27/x
  3. Step 3: Cross multiply
    516,203.55x = 774,305.33 × 200,734.27
  4. Step 4: Simplify right side
    516,203.55x = 155,429,610,299.46
  5. Step 5: Solve for x
    x = 155,429,610,299.46/516,203.55
  6. Step 6: Final answer
    x = 301,101.40

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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.