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Finding the Fourth Proportional to 481,031.87, 721,796.76 and 349,001.87

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Solution

The fourth proportional to 481,031.87, 721,796.76 and 349,001.87 is: 523,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.87 : 721,796.76 = 349,001.87 : x
  2. Step 2: Convert to fraction form
    481,031.87/721,796.76 = 349,001.87/x
  3. Step 3: Cross multiply
    481,031.87x = 721,796.76 × 349,001.87
  4. Step 4: Simplify right side
    481,031.87x = 251,908,415,390.96
  5. Step 5: Solve for x
    x = 251,908,415,390.96/481,031.87
  6. Step 6: Final answer
    x = 523,683.43

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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.