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Finding the Fourth Proportional to 269,477.70, 404,216.55 and 185,496.90

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Solution

The fourth proportional to 269,477.70, 404,216.55 and 185,496.90 is: 278,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,477.70 : 404,216.55 = 185,496.90 : x
  2. Step 2: Convert to fraction form
    269,477.70/404,216.55 = 185,496.90/x
  3. Step 3: Cross multiply
    269,477.70x = 404,216.55 × 185,496.90
  4. Step 4: Simplify right side
    269,477.70x = 74,980,916,953.70
  5. Step 5: Solve for x
    x = 74,980,916,953.70/269,477.70
  6. Step 6: Final answer
    x = 278,245.35

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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.