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Finding the Fourth Proportional to 459,313.50, 633,866.40 and 252,571.20

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Solution

The fourth proportional to 459,313.50, 633,866.40 and 252,571.20 is: 348,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,313.50 : 633,866.40 = 252,571.20 : x
  2. Step 2: Convert to fraction form
    459,313.50/633,866.40 = 252,571.20/x
  3. Step 3: Cross multiply
    459,313.50x = 633,866.40 × 252,571.20
  4. Step 4: Simplify right side
    459,313.50x = 160,096,397,287.68
  5. Step 5: Solve for x
    x = 160,096,397,287.68/459,313.50
  6. Step 6: Final answer
    x = 348,555.83

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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.