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Finding the Fourth Proportional to 633,809.66, 950,074.77 and 397,318.46

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Solution

The fourth proportional to 633,809.66, 950,074.77 and 397,318.46 is: 595,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,809.66 : 950,074.77 = 397,318.46 : x
  2. Step 2: Convert to fraction form
    633,809.66/950,074.77 = 397,318.46/x
  3. Step 3: Cross multiply
    633,809.66x = 950,074.77 × 397,318.46
  4. Step 4: Simplify right side
    633,809.66x = 377,482,244,501.25
  5. Step 5: Solve for x
    x = 377,482,244,501.25/633,809.66
  6. Step 6: Final answer
    x = 595,576.67

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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.