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Finding the Fourth Proportional to 444,315.87, 613,158.80 and 272,234.21

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Solution

The fourth proportional to 444,315.87, 613,158.80 and 272,234.21 is: 375,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,315.87 : 613,158.80 = 272,234.21 : x
  2. Step 2: Convert to fraction form
    444,315.87/613,158.80 = 272,234.21/x
  3. Step 3: Cross multiply
    444,315.87x = 613,158.80 × 272,234.21
  4. Step 4: Simplify right side
    444,315.87x = 166,922,797,095.58
  5. Step 5: Solve for x
    x = 166,922,797,095.58/444,315.87
  6. Step 6: Final answer
    x = 375,684.98

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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.