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Finding the Fourth Proportional to 366,322.39, 505,540.58 and 213,335.89

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Solution

The fourth proportional to 366,322.39, 505,540.58 and 213,335.89 is: 294,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,322.39 : 505,540.58 = 213,335.89 : x
  2. Step 2: Convert to fraction form
    366,322.39/505,540.58 = 213,335.89/x
  3. Step 3: Cross multiply
    366,322.39x = 505,540.58 × 213,335.89
  4. Step 4: Simplify right side
    366,322.39x = 107,849,947,234.89
  5. Step 5: Solve for x
    x = 107,849,947,234.89/366,322.39
  6. Step 6: Final answer
    x = 294,412.66

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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.