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Finding the Fourth Proportional to 344,685.72, 475,657.02 and 193,792.44

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Solution

The fourth proportional to 344,685.72, 475,657.02 and 193,792.44 is: 267,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,685.72 : 475,657.02 = 193,792.44 : x
  2. Step 2: Convert to fraction form
    344,685.72/475,657.02 = 193,792.44/x
  3. Step 3: Cross multiply
    344,685.72x = 475,657.02 × 193,792.44
  4. Step 4: Simplify right side
    344,685.72x = 92,178,734,508.93
  5. Step 5: Solve for x
    x = 92,178,734,508.93/344,685.72
  6. Step 6: Final answer
    x = 267,428.35

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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.