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Finding the Fourth Proportional to 269,012.64, 403,548.24 and 100,613.76

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Solution

The fourth proportional to 269,012.64, 403,548.24 and 100,613.76 is: 150,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,012.64 : 403,548.24 = 100,613.76 : x
  2. Step 2: Convert to fraction form
    269,012.64/403,548.24 = 100,613.76/x
  3. Step 3: Cross multiply
    269,012.64x = 403,548.24 × 100,613.76
  4. Step 4: Simplify right side
    269,012.64x = 40,602,505,767.78
  5. Step 5: Solve for x
    x = 40,602,505,767.78/269,012.64
  6. Step 6: Final answer
    x = 150,931.59

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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.