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Finding the Fourth Proportional to 570,772.53, 856,198.73 and 229,215.89

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Solution

The fourth proportional to 570,772.53, 856,198.73 and 229,215.89 is: 343,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,772.53 : 856,198.73 = 229,215.89 : x
  2. Step 2: Convert to fraction form
    570,772.53/856,198.73 = 229,215.89/x
  3. Step 3: Cross multiply
    570,772.53x = 856,198.73 × 229,215.89
  4. Step 4: Simplify right side
    570,772.53x = 196,254,348,486.75
  5. Step 5: Solve for x
    x = 196,254,348,486.75/570,772.53
  6. Step 6: Final answer
    x = 343,839.86

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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.