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Finding the Fourth Proportional to 324,707.28, 448,109.88 and 181,467.32

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Solution

The fourth proportional to 324,707.28, 448,109.88 and 181,467.32 is: 250,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,707.28 : 448,109.88 = 181,467.32 : x
  2. Step 2: Convert to fraction form
    324,707.28/448,109.88 = 181,467.32/x
  3. Step 3: Cross multiply
    324,707.28x = 448,109.88 × 181,467.32
  4. Step 4: Simplify right side
    324,707.28x = 81,317,296,748.57
  5. Step 5: Solve for x
    x = 81,317,296,748.57/324,707.28
  6. Step 6: Final answer
    x = 250,432.63

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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.