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Finding the Fourth Proportional to 367,688.46, 507,354.84 and 206,512.64

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Solution

The fourth proportional to 367,688.46, 507,354.84 and 206,512.64 is: 284,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,688.46 : 507,354.84 = 206,512.64 : x
  2. Step 2: Convert to fraction form
    367,688.46/507,354.84 = 206,512.64/x
  3. Step 3: Cross multiply
    367,688.46x = 507,354.84 × 206,512.64
  4. Step 4: Simplify right side
    367,688.46x = 104,775,186,790.98
  5. Step 5: Solve for x
    x = 104,775,186,790.98/367,688.46
  6. Step 6: Final answer
    x = 284,956.42

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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.