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Finding the Fourth Proportional to 227,358.57, 340,944.02 and 77,610.94

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Solution

The fourth proportional to 227,358.57, 340,944.02 and 77,610.94 is: 116,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,358.57 : 340,944.02 = 77,610.94 : x
  2. Step 2: Convert to fraction form
    227,358.57/340,944.02 = 77,610.94/x
  3. Step 3: Cross multiply
    227,358.57x = 340,944.02 × 77,610.94
  4. Step 4: Simplify right side
    227,358.57x = 26,460,985,221.25
  5. Step 5: Solve for x
    x = 26,460,985,221.25/227,358.57
  6. Step 6: Final answer
    x = 116,384.38

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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.