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Finding the Fourth Proportional to 339,594.66, 509,148.18 and 159,578.64

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Solution

The fourth proportional to 339,594.66, 509,148.18 and 159,578.64 is: 239,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,594.66 : 509,148.18 = 159,578.64 : x
  2. Step 2: Convert to fraction form
    339,594.66/509,148.18 = 159,578.64/x
  3. Step 3: Cross multiply
    339,594.66x = 509,148.18 × 159,578.64
  4. Step 4: Simplify right side
    339,594.66x = 81,249,174,122.88
  5. Step 5: Solve for x
    x = 81,249,174,122.88/339,594.66
  6. Step 6: Final answer
    x = 239,253.39

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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.