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Finding the Fourth Proportional to 270,803.62, 373,678.82 and 149,914.63

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Solution

The fourth proportional to 270,803.62, 373,678.82 and 149,914.63 is: 206,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,803.62 : 373,678.82 = 149,914.63 : x
  2. Step 2: Convert to fraction form
    270,803.62/373,678.82 = 149,914.63/x
  3. Step 3: Cross multiply
    270,803.62x = 373,678.82 × 149,914.63
  4. Step 4: Simplify right side
    270,803.62x = 56,019,922,318.84
  5. Step 5: Solve for x
    x = 56,019,922,318.84/270,803.62
  6. Step 6: Final answer
    x = 206,865.48

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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.