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Finding the Fourth Proportional to 340,544.88, 469,934.54 and 187,579.79

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Solution

The fourth proportional to 340,544.88, 469,934.54 and 187,579.79 is: 258,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,544.88 : 469,934.54 = 187,579.79 : x
  2. Step 2: Convert to fraction form
    340,544.88/469,934.54 = 187,579.79/x
  3. Step 3: Cross multiply
    340,544.88x = 469,934.54 × 187,579.79
  4. Step 4: Simplify right side
    340,544.88x = 88,150,219,039.38
  5. Step 5: Solve for x
    x = 88,150,219,039.38/340,544.88
  6. Step 6: Final answer
    x = 258,850.52

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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.