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Finding the Fourth Proportional to 351,497.92, 485,066.39 and 190,352.47

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Solution

The fourth proportional to 351,497.92, 485,066.39 and 190,352.47 is: 262,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,497.92 : 485,066.39 = 190,352.47 : x
  2. Step 2: Convert to fraction form
    351,497.92/485,066.39 = 190,352.47/x
  3. Step 3: Cross multiply
    351,497.92x = 485,066.39 × 190,352.47
  4. Step 4: Simplify right side
    351,497.92x = 92,333,585,450.48
  5. Step 5: Solve for x
    x = 92,333,585,450.48/351,497.92
  6. Step 6: Final answer
    x = 262,686.01

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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.