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Finding the Fourth Proportional to 508,156.16, 762,266.08 and 171,169.12

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Solution

The fourth proportional to 508,156.16, 762,266.08 and 171,169.12 is: 256,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,156.16 : 762,266.08 = 171,169.12 : x
  2. Step 2: Convert to fraction form
    508,156.16/762,266.08 = 171,169.12/x
  3. Step 3: Cross multiply
    508,156.16x = 762,266.08 × 171,169.12
  4. Step 4: Simplify right side
    508,156.16x = 130,476,414,119.45
  5. Step 5: Solve for x
    x = 130,476,414,119.45/508,156.16
  6. Step 6: Final answer
    x = 256,764.41

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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.