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Finding the Fourth Proportional to 366,074.89, 505,179.45 and 204,931.26

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Solution

The fourth proportional to 366,074.89, 505,179.45 and 204,931.26 is: 282,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,074.89 : 505,179.45 = 204,931.26 : x
  2. Step 2: Convert to fraction form
    366,074.89/505,179.45 = 204,931.26/x
  3. Step 3: Cross multiply
    366,074.89x = 505,179.45 × 204,931.26
  4. Step 4: Simplify right side
    366,074.89x = 103,527,061,214.61
  5. Step 5: Solve for x
    x = 103,527,061,214.61/366,074.89
  6. Step 6: Final answer
    x = 282,802.96

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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.