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Finding the Fourth Proportional to 336,390.30, 504,574.47 and 136,651.59

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Solution

The fourth proportional to 336,390.30, 504,574.47 and 136,651.59 is: 204,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,390.30 : 504,574.47 = 136,651.59 : x
  2. Step 2: Convert to fraction form
    336,390.30/504,574.47 = 136,651.59/x
  3. Step 3: Cross multiply
    336,390.30x = 504,574.47 × 136,651.59
  4. Step 4: Simplify right side
    336,390.30x = 68,950,903,598.91
  5. Step 5: Solve for x
    x = 68,950,903,598.91/336,390.30
  6. Step 6: Final answer
    x = 204,972.92

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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.