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Finding the Fourth Proportional to 368,186.77, 508,100.70 and 204,845.66

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Solution

The fourth proportional to 368,186.77, 508,100.70 and 204,845.66 is: 282,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,186.77 : 508,100.70 = 204,845.66 : x
  2. Step 2: Convert to fraction form
    368,186.77/508,100.70 = 204,845.66/x
  3. Step 3: Cross multiply
    368,186.77x = 508,100.70 × 204,845.66
  4. Step 4: Simplify right side
    368,186.77x = 104,082,222,218.75
  5. Step 5: Solve for x
    x = 104,082,222,218.75/368,186.77
  6. Step 6: Final answer
    x = 282,688.66

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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.