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Finding the Fourth Proportional to 377,656.87, 521,178.22 and 205,586.29

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Solution

The fourth proportional to 377,656.87, 521,178.22 and 205,586.29 is: 283,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,656.87 : 521,178.22 = 205,586.29 : x
  2. Step 2: Convert to fraction form
    377,656.87/521,178.22 = 205,586.29/x
  3. Step 3: Cross multiply
    377,656.87x = 521,178.22 × 205,586.29
  4. Step 4: Simplify right side
    377,656.87x = 107,147,096,678.60
  5. Step 5: Solve for x
    x = 107,147,096,678.60/377,656.87
  6. Step 6: Final answer
    x = 283,715.47

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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.