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Finding the Fourth Proportional to 516,216.65, 774,324.97 and 161,258.65

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Solution

The fourth proportional to 516,216.65, 774,324.97 and 161,258.65 is: 241,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,216.65 : 774,324.97 = 161,258.65 : x
  2. Step 2: Convert to fraction form
    516,216.65/774,324.97 = 161,258.65/x
  3. Step 3: Cross multiply
    516,216.65x = 774,324.97 × 161,258.65
  4. Step 4: Simplify right side
    516,216.65x = 124,866,596,984.53
  5. Step 5: Solve for x
    x = 124,866,596,984.53/516,216.65
  6. Step 6: Final answer
    x = 241,887.97

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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.