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Finding the Fourth Proportional to 227,526.80, 341,946.30 and 198,658.40

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Solution

The fourth proportional to 227,526.80, 341,946.30 and 198,658.40 is: 298,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,526.80 : 341,946.30 = 198,658.40 : x
  2. Step 2: Convert to fraction form
    227,526.80/341,946.30 = 198,658.40/x
  3. Step 3: Cross multiply
    227,526.80x = 341,946.30 × 198,658.40
  4. Step 4: Simplify right side
    227,526.80x = 67,930,504,843.92
  5. Step 5: Solve for x
    x = 67,930,504,843.92/227,526.80
  6. Step 6: Final answer
    x = 298,560.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.