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Finding the Fourth Proportional to 323,822.20, 485,733.30 and 235,694.20

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Solution

The fourth proportional to 323,822.20, 485,733.30 and 235,694.20 is: 353,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,822.20 : 485,733.30 = 235,694.20 : x
  2. Step 2: Convert to fraction form
    323,822.20/485,733.30 = 235,694.20/x
  3. Step 3: Cross multiply
    323,822.20x = 485,733.30 × 235,694.20
  4. Step 4: Simplify right side
    323,822.20x = 114,484,521,556.86
  5. Step 5: Solve for x
    x = 114,484,521,556.86/323,822.20
  6. Step 6: Final answer
    x = 353,541.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.