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Finding the Fourth Proportional to 444,931.16, 614,014.90 and 253,940.68

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Solution

The fourth proportional to 444,931.16, 614,014.90 and 253,940.68 is: 350,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,931.16 : 614,014.90 = 253,940.68 : x
  2. Step 2: Convert to fraction form
    444,931.16/614,014.90 = 253,940.68/x
  3. Step 3: Cross multiply
    444,931.16x = 614,014.90 × 253,940.68
  4. Step 4: Simplify right side
    444,931.16x = 155,923,361,236.13
  5. Step 5: Solve for x
    x = 155,923,361,236.13/444,931.16
  6. Step 6: Final answer
    x = 350,443.79

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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.