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Finding the Fourth Proportional to 508,141.28, 762,270.24 and 171,066.26

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Solution

The fourth proportional to 508,141.28, 762,270.24 and 171,066.26 is: 256,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,141.28 : 762,270.24 = 171,066.26 : x
  2. Step 2: Convert to fraction form
    508,141.28/762,270.24 = 171,066.26/x
  3. Step 3: Cross multiply
    508,141.28x = 762,270.24 × 171,066.26
  4. Step 4: Simplify right side
    508,141.28x = 130,398,721,613.28
  5. Step 5: Solve for x
    x = 130,398,721,613.28/508,141.28
  6. Step 6: Final answer
    x = 256,619.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.