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Finding the Fourth Proportional to 344,965.66, 475,996.16 and 199,719.70

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Solution

The fourth proportional to 344,965.66, 475,996.16 and 199,719.70 is: 275,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,965.66 : 475,996.16 = 199,719.70 : x
  2. Step 2: Convert to fraction form
    344,965.66/475,996.16 = 199,719.70/x
  3. Step 3: Cross multiply
    344,965.66x = 475,996.16 × 199,719.70
  4. Step 4: Simplify right side
    344,965.66x = 95,065,810,276.35
  5. Step 5: Solve for x
    x = 95,065,810,276.35/344,965.66
  6. Step 6: Final answer
    x = 275,580.50

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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.