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Finding the Fourth Proportional to 324,188.34, 447,384.84 and 180,959.28

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Solution

The fourth proportional to 324,188.34, 447,384.84 and 180,959.28 is: 249,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,188.34 : 447,384.84 = 180,959.28 : x
  2. Step 2: Convert to fraction form
    324,188.34/447,384.84 = 180,959.28/x
  3. Step 3: Cross multiply
    324,188.34x = 447,384.84 × 180,959.28
  4. Step 4: Simplify right side
    324,188.34x = 80,958,438,529.32
  5. Step 5: Solve for x
    x = 80,958,438,529.32/324,188.34
  6. Step 6: Final answer
    x = 249,726.56

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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.