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Finding the Fourth Proportional to 227,358.42, 340,943.80 and 77,610.79

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Solution

The fourth proportional to 227,358.42, 340,943.80 and 77,610.79 is: 116,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,358.42 : 340,943.80 = 77,610.79 : x
  2. Step 2: Convert to fraction form
    227,358.42/340,943.80 = 77,610.79/x
  3. Step 3: Cross multiply
    227,358.42x = 340,943.80 × 77,610.79
  4. Step 4: Simplify right side
    227,358.42x = 26,460,915,958.88
  5. Step 5: Solve for x
    x = 26,460,915,958.88/227,358.42
  6. Step 6: Final answer
    x = 116,384.15

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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.