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Finding the Fourth Proportional to 517,653.60, 776,443.26 and 162,769.10

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Solution

The fourth proportional to 517,653.60, 776,443.26 and 162,769.10 is: 244,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,653.60 : 776,443.26 = 162,769.10 : x
  2. Step 2: Convert to fraction form
    517,653.60/776,443.26 = 162,769.10/x
  3. Step 3: Cross multiply
    517,653.60x = 776,443.26 × 162,769.10
  4. Step 4: Simplify right side
    517,653.60x = 126,380,970,631.27
  5. Step 5: Solve for x
    x = 126,380,970,631.27/517,653.60
  6. Step 6: Final answer
    x = 244,141.97

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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.