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Finding the Fourth Proportional to 599,622.40, 899,177.57 and 347,077.21

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Solution

The fourth proportional to 599,622.40, 899,177.57 and 347,077.21 is: 520,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,622.40 : 899,177.57 = 347,077.21 : x
  2. Step 2: Convert to fraction form
    599,622.40/899,177.57 = 347,077.21/x
  3. Step 3: Cross multiply
    599,622.40x = 899,177.57 × 347,077.21
  4. Step 4: Simplify right side
    599,622.40x = 312,084,040,554.79
  5. Step 5: Solve for x
    x = 312,084,040,554.79/599,622.40
  6. Step 6: Final answer
    x = 520,467.62

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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.