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Finding the Fourth Proportional to 568,555.61, 852,774.97 and 189,435.39

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Solution

The fourth proportional to 568,555.61, 852,774.97 and 189,435.39 is: 284,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,555.61 : 852,774.97 = 189,435.39 : x
  2. Step 2: Convert to fraction form
    568,555.61/852,774.97 = 189,435.39/x
  3. Step 3: Cross multiply
    568,555.61x = 852,774.97 × 189,435.39
  4. Step 4: Simplify right side
    568,555.61x = 161,545,758,077.01
  5. Step 5: Solve for x
    x = 161,545,758,077.01/568,555.61
  6. Step 6: Final answer
    x = 284,133.61

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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.