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Finding the Fourth Proportional to 323,638.32, 446,456.73 and 247,024.41

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Solution

The fourth proportional to 323,638.32, 446,456.73 and 247,024.41 is: 340,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,638.32 : 446,456.73 = 247,024.41 : x
  2. Step 2: Convert to fraction form
    323,638.32/446,456.73 = 247,024.41/x
  3. Step 3: Cross multiply
    323,638.32x = 446,456.73 × 247,024.41
  4. Step 4: Simplify right side
    323,638.32x = 110,285,710,318.78
  5. Step 5: Solve for x
    x = 110,285,710,318.78/323,638.32
  6. Step 6: Final answer
    x = 340,768.39

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1.5x scale

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.