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Finding the Fourth Proportional to 324,409.76, 447,680.76 and 181,168.28

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Solution

The fourth proportional to 324,409.76, 447,680.76 and 181,168.28 is: 250,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,409.76 : 447,680.76 = 181,168.28 : x
  2. Step 2: Convert to fraction form
    324,409.76/447,680.76 = 181,168.28/x
  3. Step 3: Cross multiply
    324,409.76x = 447,680.76 × 181,168.28
  4. Step 4: Simplify right side
    324,409.76x = 81,105,553,278.29
  5. Step 5: Solve for x
    x = 81,105,553,278.29/324,409.76
  6. Step 6: Final answer
    x = 250,009.60

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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.