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Finding the Fourth Proportional to 415,997.46, 623,613.47 and 226,180.44

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Solution

The fourth proportional to 415,997.46, 623,613.47 and 226,180.44 is: 339,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,997.46 : 623,613.47 = 226,180.44 : x
  2. Step 2: Convert to fraction form
    415,997.46/623,613.47 = 226,180.44/x
  3. Step 3: Cross multiply
    415,997.46x = 623,613.47 × 226,180.44
  4. Step 4: Simplify right side
    415,997.46x = 141,049,167,903.63
  5. Step 5: Solve for x
    x = 141,049,167,903.63/415,997.46
  6. Step 6: Final answer
    x = 339,062.57

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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.