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Finding the Fourth Proportional to 326,685.46, 450,831.26 and 181,500.61

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Solution

The fourth proportional to 326,685.46, 450,831.26 and 181,500.61 is: 250,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,685.46 : 450,831.26 = 181,500.61 : x
  2. Step 2: Convert to fraction form
    326,685.46/450,831.26 = 181,500.61/x
  3. Step 3: Cross multiply
    326,685.46x = 450,831.26 × 181,500.61
  4. Step 4: Simplify right side
    326,685.46x = 81,826,148,353.10
  5. Step 5: Solve for x
    x = 81,826,148,353.10/326,685.46
  6. Step 6: Final answer
    x = 250,473.80

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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.