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Finding the Fourth Proportional to 611,959.98, 917,722.74 and 179,556.72

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Solution

The fourth proportional to 611,959.98, 917,722.74 and 179,556.72 is: 269,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,959.98 : 917,722.74 = 179,556.72 : x
  2. Step 2: Convert to fraction form
    611,959.98/917,722.74 = 179,556.72/x
  3. Step 3: Cross multiply
    611,959.98x = 917,722.74 × 179,556.72
  4. Step 4: Simplify right side
    611,959.98x = 164,783,285,063.81
  5. Step 5: Solve for x
    x = 164,783,285,063.81/611,959.98
  6. Step 6: Final answer
    x = 269,271.34

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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.