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Finding the Fourth Proportional to 616,834.38, 925,264.25 and 190,370.47

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Solution

The fourth proportional to 616,834.38, 925,264.25 and 190,370.47 is: 285,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,834.38 : 925,264.25 = 190,370.47 : x
  2. Step 2: Convert to fraction form
    616,834.38/925,264.25 = 190,370.47/x
  3. Step 3: Cross multiply
    616,834.38x = 925,264.25 × 190,370.47
  4. Step 4: Simplify right side
    616,834.38x = 176,142,985,520.38
  5. Step 5: Solve for x
    x = 176,142,985,520.38/616,834.38
  6. Step 6: Final answer
    x = 285,559.61

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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.