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Finding the Fourth Proportional to 444,886.08, 667,432.80 and 145,380.48

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Solution

The fourth proportional to 444,886.08, 667,432.80 and 145,380.48 is: 218,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,886.08 : 667,432.80 = 145,380.48 : x
  2. Step 2: Convert to fraction form
    444,886.08/667,432.80 = 145,380.48/x
  3. Step 3: Cross multiply
    444,886.08x = 667,432.80 × 145,380.48
  4. Step 4: Simplify right side
    444,886.08x = 97,031,700,831.74
  5. Step 5: Solve for x
    x = 97,031,700,831.74/444,886.08
  6. Step 6: Final answer
    x = 218,104.60

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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.