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Finding the Fourth Proportional to 672,322.45, 927,777.93 and 366,392.29

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Solution

The fourth proportional to 672,322.45, 927,777.93 and 366,392.29 is: 505,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,322.45 : 927,777.93 = 366,392.29 : x
  2. Step 2: Convert to fraction form
    672,322.45/927,777.93 = 366,392.29/x
  3. Step 3: Cross multiply
    672,322.45x = 927,777.93 × 366,392.29
  4. Step 4: Simplify right side
    672,322.45x = 339,930,680,384.16
  5. Step 5: Solve for x
    x = 339,930,680,384.16/672,322.45
  6. Step 6: Final answer
    x = 505,606.62

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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.