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Finding the Fourth Proportional to 468,631.73, 702,912.52 and 169,112.30

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Solution

The fourth proportional to 468,631.73, 702,912.52 and 169,112.30 is: 253,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,631.73 : 702,912.52 = 169,112.30 : x
  2. Step 2: Convert to fraction form
    468,631.73/702,912.52 = 169,112.30/x
  3. Step 3: Cross multiply
    468,631.73x = 702,912.52 × 169,112.30
  4. Step 4: Simplify right side
    468,631.73x = 118,871,152,956.00
  5. Step 5: Solve for x
    x = 118,871,152,956.00/468,631.73
  6. Step 6: Final answer
    x = 253,655.79

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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.