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Finding the Fourth Proportional to 616,833.88, 925,263.50 and 190,369.96

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Solution

The fourth proportional to 616,833.88, 925,263.50 and 190,369.96 is: 285,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,833.88 : 925,263.50 = 190,369.96 : x
  2. Step 2: Convert to fraction form
    616,833.88/925,263.50 = 190,369.96/x
  3. Step 3: Cross multiply
    616,833.88x = 925,263.50 × 190,369.96
  4. Step 4: Simplify right side
    616,833.88x = 176,142,379,150.14
  5. Step 5: Solve for x
    x = 176,142,379,150.14/616,833.88
  6. Step 6: Final answer
    x = 285,558.86

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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.