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Finding the Fourth Proportional to 336,884.30, 505,326.45 and 159,737.30

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Solution

The fourth proportional to 336,884.30, 505,326.45 and 159,737.30 is: 239,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,884.30 : 505,326.45 = 159,737.30 : x
  2. Step 2: Convert to fraction form
    336,884.30/505,326.45 = 159,737.30/x
  3. Step 3: Cross multiply
    336,884.30x = 505,326.45 × 159,737.30
  4. Step 4: Simplify right side
    336,884.30x = 80,719,482,741.59
  5. Step 5: Solve for x
    x = 80,719,482,741.59/336,884.30
  6. Step 6: Final answer
    x = 239,605.95

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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.