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Finding the Fourth Proportional to 516,443.85, 774,666.32 and 161,459.73

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Solution

The fourth proportional to 516,443.85, 774,666.32 and 161,459.73 is: 242,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,443.85 : 774,666.32 = 161,459.73 : x
  2. Step 2: Convert to fraction form
    516,443.85/774,666.32 = 161,459.73/x
  3. Step 3: Cross multiply
    516,443.85x = 774,666.32 × 161,459.73
  4. Step 4: Simplify right side
    516,443.85x = 125,077,414,060.00
  5. Step 5: Solve for x
    x = 125,077,414,060.00/516,443.85
  6. Step 6: Final answer
    x = 242,189.76

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Similar ratio
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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.