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Finding the Fourth Proportional to 366,530.88, 505,811.94 and 223,290.93

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Solution

The fourth proportional to 366,530.88, 505,811.94 and 223,290.93 is: 308,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,530.88 : 505,811.94 = 223,290.93 : x
  2. Step 2: Convert to fraction form
    366,530.88/505,811.94 = 223,290.93/x
  3. Step 3: Cross multiply
    366,530.88x = 505,811.94 × 223,290.93
  4. Step 4: Simplify right side
    366,530.88x = 112,943,218,487.70
  5. Step 5: Solve for x
    x = 112,943,218,487.70/366,530.88
  6. Step 6: Final answer
    x = 308,141.07

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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.