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Finding the Fourth Proportional to 672,446.09, 927,969.68 and 366,522.46

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Solution

The fourth proportional to 672,446.09, 927,969.68 and 366,522.46 is: 505,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,446.09 : 927,969.68 = 366,522.46 : x
  2. Step 2: Convert to fraction form
    672,446.09/927,969.68 = 366,522.46/x
  3. Step 3: Cross multiply
    672,446.09x = 927,969.68 × 366,522.46
  4. Step 4: Simplify right side
    672,446.09x = 340,121,729,919.01
  5. Step 5: Solve for x
    x = 340,121,729,919.01/672,446.09
  6. Step 6: Final answer
    x = 505,797.77

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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.