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Finding the Fourth Proportional to 325,080.95, 448,659.30 and 187,233.38

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Solution

The fourth proportional to 325,080.95, 448,659.30 and 187,233.38 is: 258,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,080.95 : 448,659.30 = 187,233.38 : x
  2. Step 2: Convert to fraction form
    325,080.95/448,659.30 = 187,233.38/x
  3. Step 3: Cross multiply
    325,080.95x = 448,659.30 × 187,233.38
  4. Step 4: Simplify right side
    325,080.95x = 84,003,995,059.78
  5. Step 5: Solve for x
    x = 84,003,995,059.78/325,080.95
  6. Step 6: Final answer
    x = 258,409.47

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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.