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Finding the Fourth Proportional to 324,080.76, 447,106.71 and 203,011.29

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Solution

The fourth proportional to 324,080.76, 447,106.71 and 203,011.29 is: 280,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,080.76 : 447,106.71 = 203,011.29 : x
  2. Step 2: Convert to fraction form
    324,080.76/447,106.71 = 203,011.29/x
  3. Step 3: Cross multiply
    324,080.76x = 447,106.71 × 203,011.29
  4. Step 4: Simplify right side
    324,080.76x = 90,767,709,964.76
  5. Step 5: Solve for x
    x = 90,767,709,964.76/324,080.76
  6. Step 6: Final answer
    x = 280,077.44

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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.