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Finding the Fourth Proportional to 574,699.42, 862,246.06 and 219,814.93

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Solution

The fourth proportional to 574,699.42, 862,246.06 and 219,814.93 is: 329,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,699.42 : 862,246.06 = 219,814.93 : x
  2. Step 2: Convert to fraction form
    574,699.42/862,246.06 = 219,814.93/x
  3. Step 3: Cross multiply
    574,699.42x = 862,246.06 × 219,814.93
  4. Step 4: Simplify right side
    574,699.42x = 189,534,557,321.68
  5. Step 5: Solve for x
    x = 189,534,557,321.68/574,699.42
  6. Step 6: Final answer
    x = 329,797.72

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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.