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Finding the Fourth Proportional to 324,039.72, 447,164.34 and 176,858.94

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Solution

The fourth proportional to 324,039.72, 447,164.34 and 176,858.94 is: 244,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,039.72 : 447,164.34 = 176,858.94 : x
  2. Step 2: Convert to fraction form
    324,039.72/447,164.34 = 176,858.94/x
  3. Step 3: Cross multiply
    324,039.72x = 447,164.34 × 176,858.94
  4. Step 4: Simplify right side
    324,039.72x = 79,085,011,178.20
  5. Step 5: Solve for x
    x = 79,085,011,178.20/324,039.72
  6. Step 6: Final answer
    x = 244,059.62

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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.