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Finding the Fourth Proportional to 352,662.39, 486,647.12 and 207,473.94

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Solution

The fourth proportional to 352,662.39, 486,647.12 and 207,473.94 is: 286,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,662.39 : 486,647.12 = 207,473.94 : x
  2. Step 2: Convert to fraction form
    352,662.39/486,647.12 = 207,473.94/x
  3. Step 3: Cross multiply
    352,662.39x = 486,647.12 × 207,473.94
  4. Step 4: Simplify right side
    352,662.39x = 100,966,594,338.68
  5. Step 5: Solve for x
    x = 100,966,594,338.68/352,662.39
  6. Step 6: Final answer
    x = 286,298.16

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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.