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Finding the Fourth Proportional to 270,347.94, 373,064.13 and 149,479.74

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Solution

The fourth proportional to 270,347.94, 373,064.13 and 149,479.74 is: 206,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,347.94 : 373,064.13 = 149,479.74 : x
  2. Step 2: Convert to fraction form
    270,347.94/373,064.13 = 149,479.74/x
  3. Step 3: Cross multiply
    270,347.94x = 373,064.13 × 149,479.74
  4. Step 4: Simplify right side
    270,347.94x = 55,765,529,155.73
  5. Step 5: Solve for x
    x = 55,765,529,155.73/270,347.94
  6. Step 6: Final answer
    x = 206,273.18

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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.