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Finding the Fourth Proportional to 616,804.44, 925,008.48 and 195,981.96

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Solution

The fourth proportional to 616,804.44, 925,008.48 and 195,981.96 is: 293,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,804.44 : 925,008.48 = 195,981.96 : x
  2. Step 2: Convert to fraction form
    616,804.44/925,008.48 = 195,981.96/x
  3. Step 3: Cross multiply
    616,804.44x = 925,008.48 × 195,981.96
  4. Step 4: Simplify right side
    616,804.44x = 181,284,974,927.02
  5. Step 5: Solve for x
    x = 181,284,974,927.02/616,804.44
  6. Step 6: Final answer
    x = 293,909.97

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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.