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Finding the Fourth Proportional to 352,925.50, 487,037.19 and 193,949.50

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Solution

The fourth proportional to 352,925.50, 487,037.19 and 193,949.50 is: 267,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,925.50 : 487,037.19 = 193,949.50 : x
  2. Step 2: Convert to fraction form
    352,925.50/487,037.19 = 193,949.50/x
  3. Step 3: Cross multiply
    352,925.50x = 487,037.19 × 193,949.50
  4. Step 4: Simplify right side
    352,925.50x = 94,460,619,481.91
  5. Step 5: Solve for x
    x = 94,460,619,481.91/352,925.50
  6. Step 6: Final answer
    x = 267,650.31

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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.