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Finding the Fourth Proportional to 336,409.01, 504,710.92 and 99,757.38

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Solution

The fourth proportional to 336,409.01, 504,710.92 and 99,757.38 is: 149,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,409.01 : 504,710.92 = 99,757.38 : x
  2. Step 2: Convert to fraction form
    336,409.01/504,710.92 = 99,757.38/x
  3. Step 3: Cross multiply
    336,409.01x = 504,710.92 × 99,757.38
  4. Step 4: Simplify right side
    336,409.01x = 50,348,639,036.59
  5. Step 5: Solve for x
    x = 50,348,639,036.59/336,409.01
  6. Step 6: Final answer
    x = 149,664.95

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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.