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Finding the Fourth Proportional to 367,628.70, 507,329.64 and 206,483.76

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Solution

The fourth proportional to 367,628.70, 507,329.64 and 206,483.76 is: 284,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,628.70 : 507,329.64 = 206,483.76 : x
  2. Step 2: Convert to fraction form
    367,628.70/507,329.64 = 206,483.76/x
  3. Step 3: Cross multiply
    367,628.70x = 507,329.64 × 206,483.76
  4. Step 4: Simplify right side
    367,628.70x = 104,755,331,626.65
  5. Step 5: Solve for x
    x = 104,755,331,626.65/367,628.70
  6. Step 6: Final answer
    x = 284,948.73

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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.