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Finding the Fourth Proportional to 239,573.73, 359,594.31 and 197,878.58

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Solution

The fourth proportional to 239,573.73, 359,594.31 and 197,878.58 is: 297,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,573.73 : 359,594.31 = 197,878.58 : x
  2. Step 2: Convert to fraction form
    239,573.73/359,594.31 = 197,878.58/x
  3. Step 3: Cross multiply
    239,573.73x = 359,594.31 × 197,878.58
  4. Step 4: Simplify right side
    239,573.73x = 71,156,009,640.91
  5. Step 5: Solve for x
    x = 71,156,009,640.91/239,573.73
  6. Step 6: Final answer
    x = 297,010.90

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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.