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Finding the Fourth Proportional to 616,959.40, 925,536.30 and 196,277.80

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Solution

The fourth proportional to 616,959.40, 925,536.30 and 196,277.80 is: 294,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,959.40 : 925,536.30 = 196,277.80 : x
  2. Step 2: Convert to fraction form
    616,959.40/925,536.30 = 196,277.80/x
  3. Step 3: Cross multiply
    616,959.40x = 925,536.30 × 196,277.80
  4. Step 4: Simplify right side
    616,959.40x = 181,662,228,784.14
  5. Step 5: Solve for x
    x = 181,662,228,784.14/616,959.40
  6. Step 6: Final answer
    x = 294,447.62

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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.