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Finding the Fourth Proportional to 369,246.11, 509,364.34 and 254,327.11

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Solution

The fourth proportional to 369,246.11, 509,364.34 and 254,327.11 is: 350,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,246.11 : 509,364.34 = 254,327.11 : x
  2. Step 2: Convert to fraction form
    369,246.11/509,364.34 = 254,327.11/x
  3. Step 3: Cross multiply
    369,246.11x = 509,364.34 × 254,327.11
  4. Step 4: Simplify right side
    369,246.11x = 129,545,158,620.03
  5. Step 5: Solve for x
    x = 129,545,158,620.03/369,246.11
  6. Step 6: Final answer
    x = 350,836.90

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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.