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Finding the Fourth Proportional to 471,127.80, 704,963.70 and 346,711.80

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Solution

The fourth proportional to 471,127.80, 704,963.70 and 346,711.80 is: 518,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,127.80 : 704,963.70 = 346,711.80 : x
  2. Step 2: Convert to fraction form
    471,127.80/704,963.70 = 346,711.80/x
  3. Step 3: Cross multiply
    471,127.80x = 704,963.70 × 346,711.80
  4. Step 4: Simplify right side
    471,127.80x = 244,419,233,361.66
  5. Step 5: Solve for x
    x = 244,419,233,361.66/471,127.80
  6. Step 6: Final answer
    x = 518,796.03

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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.