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Finding the Fourth Proportional to 298,601.10, 447,901.65 and 227,742.30

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Solution

The fourth proportional to 298,601.10, 447,901.65 and 227,742.30 is: 341,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,601.10 : 447,901.65 = 227,742.30 : x
  2. Step 2: Convert to fraction form
    298,601.10/447,901.65 = 227,742.30/x
  3. Step 3: Cross multiply
    298,601.10x = 447,901.65 × 227,742.30
  4. Step 4: Simplify right side
    298,601.10x = 102,006,151,944.80
  5. Step 5: Solve for x
    x = 102,006,151,944.80/298,601.10
  6. Step 6: Final answer
    x = 341,613.45

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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.