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Finding the Fourth Proportional to 347,629.20, 520,522.20 and 273,901.20

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Solution

The fourth proportional to 347,629.20, 520,522.20 and 273,901.20 is: 410,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,629.20 : 520,522.20 = 273,901.20 : x
  2. Step 2: Convert to fraction form
    347,629.20/520,522.20 = 273,901.20/x
  3. Step 3: Cross multiply
    347,629.20x = 520,522.20 × 273,901.20
  4. Step 4: Simplify right side
    347,629.20x = 142,571,655,206.64
  5. Step 5: Solve for x
    x = 142,571,655,206.64/347,629.20
  6. Step 6: Final answer
    x = 410,125.66

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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.