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Finding the Fourth Proportional to 611,012.28, 916,598.92 and 226,708.86

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Solution

The fourth proportional to 611,012.28, 916,598.92 and 226,708.86 is: 340,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,012.28 : 916,598.92 = 226,708.86 : x
  2. Step 2: Convert to fraction form
    611,012.28/916,598.92 = 226,708.86/x
  3. Step 3: Cross multiply
    611,012.28x = 916,598.92 × 226,708.86
  4. Step 4: Simplify right side
    611,012.28x = 207,801,096,230.43
  5. Step 5: Solve for x
    x = 207,801,096,230.43/611,012.28
  6. Step 6: Final answer
    x = 340,093.16

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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.