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Finding the Fourth Proportional to 672,168.24, 927,580.46 and 366,247.15

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Solution

The fourth proportional to 672,168.24, 927,580.46 and 366,247.15 is: 505,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,168.24 : 927,580.46 = 366,247.15 : x
  2. Step 2: Convert to fraction form
    672,168.24/927,580.46 = 366,247.15/x
  3. Step 3: Cross multiply
    672,168.24x = 927,580.46 × 366,247.15
  4. Step 4: Simplify right side
    672,168.24x = 339,723,695,720.50
  5. Step 5: Solve for x
    x = 339,723,695,720.50/672,168.24
  6. Step 6: Final answer
    x = 505,414.68

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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.