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Finding the Fourth Proportional to 366,061.13, 505,164.57 and 204,916.49

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Solution

The fourth proportional to 366,061.13, 505,164.57 and 204,916.49 is: 282,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,061.13 : 505,164.57 = 204,916.49 : x
  2. Step 2: Convert to fraction form
    366,061.13/505,164.57 = 204,916.49/x
  3. Step 3: Cross multiply
    366,061.13x = 505,164.57 × 204,916.49
  4. Step 4: Simplify right side
    366,061.13x = 103,516,550,556.76
  5. Step 5: Solve for x
    x = 103,516,550,556.76/366,061.13
  6. Step 6: Final answer
    x = 282,784.87

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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.