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Finding the Fourth Proportional to 270,673.59, 373,516.23 and 154,391.66

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Solution

The fourth proportional to 270,673.59, 373,516.23 and 154,391.66 is: 213,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,673.59 : 373,516.23 = 154,391.66 : x
  2. Step 2: Convert to fraction form
    270,673.59/373,516.23 = 154,391.66/x
  3. Step 3: Cross multiply
    270,673.59x = 373,516.23 × 154,391.66
  4. Step 4: Simplify right side
    270,673.59x = 57,667,788,919.06
  5. Step 5: Solve for x
    x = 57,667,788,919.06/270,673.59
  6. Step 6: Final answer
    x = 213,052.88

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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.