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Finding the Fourth Proportional to 227,330.74, 340,996.05 and 77,571.01

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Solution

The fourth proportional to 227,330.74, 340,996.05 and 77,571.01 is: 116,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,330.74 : 340,996.05 = 77,571.01 : x
  2. Step 2: Convert to fraction form
    227,330.74/340,996.05 = 77,571.01/x
  3. Step 3: Cross multiply
    227,330.74x = 340,996.05 × 77,571.01
  4. Step 4: Simplify right side
    227,330.74x = 26,451,407,616.66
  5. Step 5: Solve for x
    x = 26,451,407,616.66/227,330.74
  6. Step 6: Final answer
    x = 116,356.50

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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.