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Finding the Fourth Proportional to 616,834.88, 925,265 and 190,370.96

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Solution

The fourth proportional to 616,834.88, 925,265 and 190,370.96 is: 285,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,834.88 : 925,265 = 190,370.96 : x
  2. Step 2: Convert to fraction form
    616,834.88/925,265 = 190,370.96/x
  3. Step 3: Cross multiply
    616,834.88x = 925,265 × 190,370.96
  4. Step 4: Simplify right side
    616,834.88x = 176,143,586,304.40
  5. Step 5: Solve for x
    x = 176,143,586,304.40/616,834.88
  6. Step 6: Final answer
    x = 285,560.35

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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.