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Finding the Fourth Proportional to 216,461.68, 298,800.64 and 193,760.62

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Solution

The fourth proportional to 216,461.68, 298,800.64 and 193,760.62 is: 267,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,461.68 : 298,800.64 = 193,760.62 : x
  2. Step 2: Convert to fraction form
    216,461.68/298,800.64 = 193,760.62/x
  3. Step 3: Cross multiply
    216,461.68x = 298,800.64 × 193,760.62
  4. Step 4: Simplify right side
    216,461.68x = 57,895,797,262.80
  5. Step 5: Solve for x
    x = 57,895,797,262.80/216,461.68
  6. Step 6: Final answer
    x = 267,464.42

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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.