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Finding the Fourth Proportional to 458,836.56, 633,202.56 and 254,905.92

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Solution

The fourth proportional to 458,836.56, 633,202.56 and 254,905.92 is: 351,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,836.56 : 633,202.56 = 254,905.92 : x
  2. Step 2: Convert to fraction form
    458,836.56/633,202.56 = 254,905.92/x
  3. Step 3: Cross multiply
    458,836.56x = 633,202.56 × 254,905.92
  4. Step 4: Simplify right side
    458,836.56x = 161,407,081,103.16
  5. Step 5: Solve for x
    x = 161,407,081,103.16/458,836.56
  6. Step 6: Final answer
    x = 351,774.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.