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Finding the Fourth Proportional to 654,168.76, 902,778.48 and 367,687.96

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Solution

The fourth proportional to 654,168.76, 902,778.48 and 367,687.96 is: 507,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,168.76 : 902,778.48 = 367,687.96 : x
  2. Step 2: Convert to fraction form
    654,168.76/902,778.48 = 367,687.96/x
  3. Step 3: Cross multiply
    654,168.76x = 902,778.48 × 367,687.96
  4. Step 4: Simplify right side
    654,168.76x = 331,940,777,643.10
  5. Step 5: Solve for x
    x = 331,940,777,643.10/654,168.76
  6. Step 6: Final answer
    x = 507,423.77

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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.