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Finding the Fourth Proportional to 451,634.52, 623,221.74 and 247,652.76

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Solution

The fourth proportional to 451,634.52, 623,221.74 and 247,652.76 is: 341,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,634.52 : 623,221.74 = 247,652.76 : x
  2. Step 2: Convert to fraction form
    451,634.52/623,221.74 = 247,652.76/x
  3. Step 3: Cross multiply
    451,634.52x = 623,221.74 × 247,652.76
  4. Step 4: Simplify right side
    451,634.52x = 154,342,584,003.00
  5. Step 5: Solve for x
    x = 154,342,584,003.00/451,634.52
  6. Step 6: Final answer
    x = 341,742.22

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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.