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Finding the Fourth Proportional to 367,692.72, 507,360.70 and 206,516.90

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Solution

The fourth proportional to 367,692.72, 507,360.70 and 206,516.90 is: 284,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,692.72 : 507,360.70 = 206,516.90 : x
  2. Step 2: Convert to fraction form
    367,692.72/507,360.70 = 206,516.90/x
  3. Step 3: Cross multiply
    367,692.72x = 507,360.70 × 206,516.90
  4. Step 4: Simplify right side
    367,692.72x = 104,778,558,945.83
  5. Step 5: Solve for x
    x = 104,778,558,945.83/367,692.72
  6. Step 6: Final answer
    x = 284,962.29

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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.