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Finding the Fourth Proportional to 336,805.26, 505,302.66 and 147,282.27

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Solution

The fourth proportional to 336,805.26, 505,302.66 and 147,282.27 is: 220,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,805.26 : 505,302.66 = 147,282.27 : x
  2. Step 2: Convert to fraction form
    336,805.26/505,302.66 = 147,282.27/x
  3. Step 3: Cross multiply
    336,805.26x = 505,302.66 × 147,282.27
  4. Step 4: Simplify right side
    336,805.26x = 74,422,122,801.84
  5. Step 5: Solve for x
    x = 74,422,122,801.84/336,805.26
  6. Step 6: Final answer
    x = 220,964.85

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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.