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Finding the Fourth Proportional to 344,863.12, 475,911 and 193,960

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Solution

The fourth proportional to 344,863.12, 475,911 and 193,960 is: 267,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,863.12 : 475,911 = 193,960 : x
  2. Step 2: Convert to fraction form
    344,863.12/475,911 = 193,960/x
  3. Step 3: Cross multiply
    344,863.12x = 475,911 × 193,960
  4. Step 4: Simplify right side
    344,863.12x = 92,307,697,560
  5. Step 5: Solve for x
    x = 92,307,697,560/344,863.12
  6. Step 6: Final answer
    x = 267,664.74

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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.