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Finding the Fourth Proportional to 348,800.78, 481,491.33 and 235,776.62

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Solution

The fourth proportional to 348,800.78, 481,491.33 and 235,776.62 is: 325,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,800.78 : 481,491.33 = 235,776.62 : x
  2. Step 2: Convert to fraction form
    348,800.78/481,491.33 = 235,776.62/x
  3. Step 3: Cross multiply
    348,800.78x = 481,491.33 × 235,776.62
  4. Step 4: Simplify right side
    348,800.78x = 113,524,398,346.71
  5. Step 5: Solve for x
    x = 113,524,398,346.71/348,800.78
  6. Step 6: Final answer
    x = 325,470.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.