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Finding the Fourth Proportional to 350,013.52, 482,993.60 and 197,043.84

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Solution

The fourth proportional to 350,013.52, 482,993.60 and 197,043.84 is: 271,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,013.52 : 482,993.60 = 197,043.84 : x
  2. Step 2: Convert to fraction form
    350,013.52/482,993.60 = 197,043.84/x
  3. Step 3: Cross multiply
    350,013.52x = 482,993.60 × 197,043.84
  4. Step 4: Simplify right side
    350,013.52x = 95,170,913,639.42
  5. Step 5: Solve for x
    x = 95,170,913,639.42/350,013.52
  6. Step 6: Final answer
    x = 271,906.39

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1.5x scale

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.