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Finding the Fourth Proportional to 339,594.64, 468,617.90 and 186,629.54

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Solution

The fourth proportional to 339,594.64, 468,617.90 and 186,629.54 is: 257,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,594.64 : 468,617.90 = 186,629.54 : x
  2. Step 2: Convert to fraction form
    339,594.64/468,617.90 = 186,629.54/x
  3. Step 3: Cross multiply
    339,594.64x = 468,617.90 × 186,629.54
  4. Step 4: Simplify right side
    339,594.64x = 87,457,943,112.77
  5. Step 5: Solve for x
    x = 87,457,943,112.77/339,594.64
  6. Step 6: Final answer
    x = 257,536.29

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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.