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Finding the Fourth Proportional to 352,059.08, 485,841.31 and 190,913.63

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Solution

The fourth proportional to 352,059.08, 485,841.31 and 190,913.63 is: 263,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,059.08 : 485,841.31 = 190,913.63 : x
  2. Step 2: Convert to fraction form
    352,059.08/485,841.31 = 190,913.63/x
  3. Step 3: Cross multiply
    352,059.08x = 485,841.31 × 190,913.63
  4. Step 4: Simplify right side
    352,059.08x = 92,753,725,189.56
  5. Step 5: Solve for x
    x = 92,753,725,189.56/352,059.08
  6. Step 6: Final answer
    x = 263,460.69

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1.5x scale

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.