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Finding the Fourth Proportional to 616,675.32, 925,112.79 and 190,111.41

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Solution

The fourth proportional to 616,675.32, 925,112.79 and 190,111.41 is: 285,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,675.32 : 925,112.79 = 190,111.41 : x
  2. Step 2: Convert to fraction form
    616,675.32/925,112.79 = 190,111.41/x
  3. Step 3: Cross multiply
    616,675.32x = 925,112.79 × 190,111.41
  4. Step 4: Simplify right side
    616,675.32x = 175,874,496,915.93
  5. Step 5: Solve for x
    x = 175,874,496,915.93/616,675.32
  6. Step 6: Final answer
    x = 285,197.88

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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.