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Finding the Fourth Proportional to 480,204.70, 662,720.29 and 273,481.88

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Solution

The fourth proportional to 480,204.70, 662,720.29 and 273,481.88 is: 377,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,204.70 : 662,720.29 = 273,481.88 : x
  2. Step 2: Convert to fraction form
    480,204.70/662,720.29 = 273,481.88/x
  3. Step 3: Cross multiply
    480,204.70x = 662,720.29 × 273,481.88
  4. Step 4: Simplify right side
    480,204.70x = 181,241,987,509.74
  5. Step 5: Solve for x
    x = 181,241,987,509.74/480,204.70
  6. Step 6: Final answer
    x = 377,426.52

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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.