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Finding the Fourth Proportional to 565,612.73, 848,238.78 and 186,462.80

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Solution

The fourth proportional to 565,612.73, 848,238.78 and 186,462.80 is: 279,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,612.73 : 848,238.78 = 186,462.80 : x
  2. Step 2: Convert to fraction form
    565,612.73/848,238.78 = 186,462.80/x
  3. Step 3: Cross multiply
    565,612.73x = 848,238.78 × 186,462.80
  4. Step 4: Simplify right side
    565,612.73x = 158,164,977,987.38
  5. Step 5: Solve for x
    x = 158,164,977,987.38/565,612.73
  6. Step 6: Final answer
    x = 279,634.76

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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.