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Finding the Fourth Proportional to 407,004.42, 561,701.62 and 237,234.90

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Solution

The fourth proportional to 407,004.42, 561,701.62 and 237,234.90 is: 327,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,004.42 : 561,701.62 = 237,234.90 : x
  2. Step 2: Convert to fraction form
    407,004.42/561,701.62 = 237,234.90/x
  3. Step 3: Cross multiply
    407,004.42x = 561,701.62 × 237,234.90
  4. Step 4: Simplify right side
    407,004.42x = 133,255,227,650.54
  5. Step 5: Solve for x
    x = 133,255,227,650.54/407,004.42
  6. Step 6: Final answer
    x = 327,404.87

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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.