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Finding the Fourth Proportional to 452,649.73, 679,285.98 and 186,410.21

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Solution

The fourth proportional to 452,649.73, 679,285.98 and 186,410.21 is: 279,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,649.73 : 679,285.98 = 186,410.21 : x
  2. Step 2: Convert to fraction form
    452,649.73/679,285.98 = 186,410.21/x
  3. Step 3: Cross multiply
    452,649.73x = 679,285.98 × 186,410.21
  4. Step 4: Simplify right side
    452,649.73x = 126,625,842,181.86
  5. Step 5: Solve for x
    x = 126,625,842,181.86/452,649.73
  6. Step 6: Final answer
    x = 279,743.55

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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.