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Finding the Fourth Proportional to 294,968.49, 442,452.98 and 126,379.49

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Solution

The fourth proportional to 294,968.49, 442,452.98 and 126,379.49 is: 189,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,968.49 : 442,452.98 = 126,379.49 : x
  2. Step 2: Convert to fraction form
    294,968.49/442,452.98 = 126,379.49/x
  3. Step 3: Cross multiply
    294,968.49x = 442,452.98 × 126,379.49
  4. Step 4: Simplify right side
    294,968.49x = 55,916,982,553.86
  5. Step 5: Solve for x
    x = 55,916,982,553.86/294,968.49
  6. Step 6: Final answer
    x = 189,569.34

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1.5x scale

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.