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Finding the Fourth Proportional to 672,426.54, 927,942.70 and 366,502.92

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Solution

The fourth proportional to 672,426.54, 927,942.70 and 366,502.92 is: 505,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,426.54 : 927,942.70 = 366,502.92 : x
  2. Step 2: Convert to fraction form
    672,426.54/927,942.70 = 366,502.92/x
  3. Step 3: Cross multiply
    672,426.54x = 927,942.70 × 366,502.92
  4. Step 4: Simplify right side
    672,426.54x = 340,093,709,142.68
  5. Step 5: Solve for x
    x = 340,093,709,142.68/672,426.54
  6. Step 6: Final answer
    x = 505,770.80

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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.