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Finding the Fourth Proportional to 574,725.99, 862,127.91 and 219,777.51

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Solution

The fourth proportional to 574,725.99, 862,127.91 and 219,777.51 is: 329,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,725.99 : 862,127.91 = 219,777.51 : x
  2. Step 2: Convert to fraction form
    574,725.99/862,127.91 = 219,777.51/x
  3. Step 3: Cross multiply
    574,725.99x = 862,127.91 × 219,777.51
  4. Step 4: Simplify right side
    574,725.99x = 189,476,325,361.30
  5. Step 5: Solve for x
    x = 189,476,325,361.30/574,725.99
  6. Step 6: Final answer
    x = 329,681.15

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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.