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Finding the Fourth Proportional to 336,760.83, 505,236 and 147,237.84

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Solution

The fourth proportional to 336,760.83, 505,236 and 147,237.84 is: 220,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,760.83 : 505,236 = 147,237.84 : x
  2. Step 2: Convert to fraction form
    336,760.83/505,236 = 147,237.84/x
  3. Step 3: Cross multiply
    336,760.83x = 505,236 × 147,237.84
  4. Step 4: Simplify right side
    336,760.83x = 74,389,857,330.24
  5. Step 5: Solve for x
    x = 74,389,857,330.24/336,760.83
  6. Step 6: Final answer
    x = 220,898.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.