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Finding the Fourth Proportional to 270,588.81, 373,451.97 and 155,845.12

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Solution

The fourth proportional to 270,588.81, 373,451.97 and 155,845.12 is: 215,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.81 : 373,451.97 = 155,845.12 : x
  2. Step 2: Convert to fraction form
    270,588.81/373,451.97 = 155,845.12/x
  3. Step 3: Cross multiply
    270,588.81x = 373,451.97 × 155,845.12
  4. Step 4: Simplify right side
    270,588.81x = 58,200,666,729.68
  5. Step 5: Solve for x
    x = 58,200,666,729.68/270,588.81
  6. Step 6: Final answer
    x = 215,088.97

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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.