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Finding the Fourth Proportional to 411,030.44, 616,586.70 and 111,515.96

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Solution

The fourth proportional to 411,030.44, 616,586.70 and 111,515.96 is: 167,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,030.44 : 616,586.70 = 111,515.96 : x
  2. Step 2: Convert to fraction form
    411,030.44/616,586.70 = 111,515.96/x
  3. Step 3: Cross multiply
    411,030.44x = 616,586.70 × 111,515.96
  4. Step 4: Simplify right side
    411,030.44x = 68,759,257,773.73
  5. Step 5: Solve for x
    x = 68,759,257,773.73/411,030.44
  6. Step 6: Final answer
    x = 167,285.07

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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.