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Finding the Fourth Proportional to 326,612.28, 450,686.22 and 183,340.92

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Solution

The fourth proportional to 326,612.28, 450,686.22 and 183,340.92 is: 252,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,612.28 : 450,686.22 = 183,340.92 : x
  2. Step 2: Convert to fraction form
    326,612.28/450,686.22 = 183,340.92/x
  3. Step 3: Cross multiply
    326,612.28x = 450,686.22 × 183,340.92
  4. Step 4: Simplify right side
    326,612.28x = 82,629,226,206.12
  5. Step 5: Solve for x
    x = 82,629,226,206.12/326,612.28
  6. Step 6: Final answer
    x = 252,988.73

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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.