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Finding the Fourth Proportional to 672,243.84, 927,684.60 and 366,322.92

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Solution

The fourth proportional to 672,243.84, 927,684.60 and 366,322.92 is: 505,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,243.84 : 927,684.60 = 366,322.92 : x
  2. Step 2: Convert to fraction form
    672,243.84/927,684.60 = 366,322.92/x
  3. Step 3: Cross multiply
    672,243.84x = 927,684.60 × 366,322.92
  4. Step 4: Simplify right side
    672,243.84x = 339,832,131,511.03
  5. Step 5: Solve for x
    x = 339,832,131,511.03/672,243.84
  6. Step 6: Final answer
    x = 505,519.15

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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.