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Finding the Fourth Proportional to 531,339.41, 796,841.39 and 211,352.15

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Solution

The fourth proportional to 531,339.41, 796,841.39 and 211,352.15 is: 316,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,339.41 : 796,841.39 = 211,352.15 : x
  2. Step 2: Convert to fraction form
    531,339.41/796,841.39 = 211,352.15/x
  3. Step 3: Cross multiply
    531,339.41x = 796,841.39 × 211,352.15
  4. Step 4: Simplify right side
    531,339.41x = 168,414,137,529.66
  5. Step 5: Solve for x
    x = 168,414,137,529.66/531,339.41
  6. Step 6: Final answer
    x = 316,961.51

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1.5x scale

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.