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Finding the Fourth Proportional to 325,924.78, 449,777.19 and 180,740.78

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Solution

The fourth proportional to 325,924.78, 449,777.19 and 180,740.78 is: 249,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,924.78 : 449,777.19 = 180,740.78 : x
  2. Step 2: Convert to fraction form
    325,924.78/449,777.19 = 180,740.78/x
  3. Step 3: Cross multiply
    325,924.78x = 449,777.19 × 180,740.78
  4. Step 4: Simplify right side
    325,924.78x = 81,293,080,597.36
  5. Step 5: Solve for x
    x = 81,293,080,597.36/325,924.78
  6. Step 6: Final answer
    x = 249,422.83

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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.