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Finding the Fourth Proportional to 546,078.96, 819,060.24 and 191,099.76

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Solution

The fourth proportional to 546,078.96, 819,060.24 and 191,099.76 is: 286,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,078.96 : 819,060.24 = 191,099.76 : x
  2. Step 2: Convert to fraction form
    546,078.96/819,060.24 = 191,099.76/x
  3. Step 3: Cross multiply
    546,078.96x = 819,060.24 × 191,099.76
  4. Step 4: Simplify right side
    546,078.96x = 156,522,215,289.54
  5. Step 5: Solve for x
    x = 156,522,215,289.54/546,078.96
  6. Step 6: Final answer
    x = 286,629.27

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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.