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Finding the Fourth Proportional to 339,957.54, 469,152.92 and 187,007.10

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Solution

The fourth proportional to 339,957.54, 469,152.92 and 187,007.10 is: 258,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,957.54 : 469,152.92 = 187,007.10 : x
  2. Step 2: Convert to fraction form
    339,957.54/469,152.92 = 187,007.10/x
  3. Step 3: Cross multiply
    339,957.54x = 469,152.92 × 187,007.10
  4. Step 4: Simplify right side
    339,957.54x = 87,734,927,025.73
  5. Step 5: Solve for x
    x = 87,734,927,025.73/339,957.54
  6. Step 6: Final answer
    x = 258,076.13

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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.