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Finding the Fourth Proportional to 339,593.64, 468,616.52 and 186,628.54

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Solution

The fourth proportional to 339,593.64, 468,616.52 and 186,628.54 is: 257,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,593.64 : 468,616.52 = 186,628.54 : x
  2. Step 2: Convert to fraction form
    339,593.64/468,616.52 = 186,628.54/x
  3. Step 3: Cross multiply
    339,593.64x = 468,616.52 × 186,628.54
  4. Step 4: Simplify right side
    339,593.64x = 87,457,216,947.48
  5. Step 5: Solve for x
    x = 87,457,216,947.48/339,593.64
  6. Step 6: Final answer
    x = 257,534.91

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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.