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Finding the Fourth Proportional to 323,030.21, 445,777.22 and 179,790.30

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Solution

The fourth proportional to 323,030.21, 445,777.22 and 179,790.30 is: 248,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,030.21 : 445,777.22 = 179,790.30 : x
  2. Step 2: Convert to fraction form
    323,030.21/445,777.22 = 179,790.30/x
  3. Step 3: Cross multiply
    323,030.21x = 445,777.22 × 179,790.30
  4. Step 4: Simplify right side
    323,030.21x = 80,146,420,116.97
  5. Step 5: Solve for x
    x = 80,146,420,116.97/323,030.21
  6. Step 6: Final answer
    x = 248,108.13

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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.