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Finding the Fourth Proportional to 335,688.64, 463,236.56 and 192,348.96

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Solution

The fourth proportional to 335,688.64, 463,236.56 and 192,348.96 is: 265,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,688.64 : 463,236.56 = 192,348.96 : x
  2. Step 2: Convert to fraction form
    335,688.64/463,236.56 = 192,348.96/x
  3. Step 3: Cross multiply
    335,688.64x = 463,236.56 × 192,348.96
  4. Step 4: Simplify right side
    335,688.64x = 89,103,070,549.98
  5. Step 5: Solve for x
    x = 89,103,070,549.98/335,688.64
  6. Step 6: Final answer
    x = 265,433.68

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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.