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Finding the Fourth Proportional to 324,688.89, 487,033.34 and 196,630.98

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Solution

The fourth proportional to 324,688.89, 487,033.34 and 196,630.98 is: 294,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,688.89 : 487,033.34 = 196,630.98 : x
  2. Step 2: Convert to fraction form
    324,688.89/487,033.34 = 196,630.98/x
  3. Step 3: Cross multiply
    324,688.89x = 487,033.34 × 196,630.98
  4. Step 4: Simplify right side
    324,688.89x = 95,765,842,936.87
  5. Step 5: Solve for x
    x = 95,765,842,936.87/324,688.89
  6. Step 6: Final answer
    x = 294,946.47

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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.