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Finding the Fourth Proportional to 451,196.48, 676,880.15 and 181,345.64

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Solution

The fourth proportional to 451,196.48, 676,880.15 and 181,345.64 is: 272,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,196.48 : 676,880.15 = 181,345.64 : x
  2. Step 2: Convert to fraction form
    451,196.48/676,880.15 = 181,345.64/x
  3. Step 3: Cross multiply
    451,196.48x = 676,880.15 × 181,345.64
  4. Step 4: Simplify right side
    451,196.48x = 122,749,259,713.92
  5. Step 5: Solve for x
    x = 122,749,259,713.92/451,196.48
  6. Step 6: Final answer
    x = 272,052.79

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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.