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Finding the Fourth Proportional to 270,988.32, 373,361.70 and 178,944.15

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Solution

The fourth proportional to 270,988.32, 373,361.70 and 178,944.15 is: 246,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,988.32 : 373,361.70 = 178,944.15 : x
  2. Step 2: Convert to fraction form
    270,988.32/373,361.70 = 178,944.15/x
  3. Step 3: Cross multiply
    270,988.32x = 373,361.70 × 178,944.15
  4. Step 4: Simplify right side
    270,988.32x = 66,810,892,049.06
  5. Step 5: Solve for x
    x = 66,810,892,049.06/270,988.32
  6. Step 6: Final answer
    x = 246,545.28

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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.