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Finding the Fourth Proportional to 616,653.80, 925,006.30 and 195,917.80

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Solution

The fourth proportional to 616,653.80, 925,006.30 and 195,917.80 is: 293,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,653.80 : 925,006.30 = 195,917.80 : x
  2. Step 2: Convert to fraction form
    616,653.80/925,006.30 = 195,917.80/x
  3. Step 3: Cross multiply
    616,653.80x = 925,006.30 × 195,917.80
  4. Step 4: Simplify right side
    616,653.80x = 181,225,199,282.14
  5. Step 5: Solve for x
    x = 181,225,199,282.14/616,653.80
  6. Step 6: Final answer
    x = 293,884.83

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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.