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Finding the Fourth Proportional to 404,556.70, 606,980.85 and 168,069.10

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Solution

The fourth proportional to 404,556.70, 606,980.85 and 168,069.10 is: 252,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,556.70 : 606,980.85 = 168,069.10 : x
  2. Step 2: Convert to fraction form
    404,556.70/606,980.85 = 168,069.10/x
  3. Step 3: Cross multiply
    404,556.70x = 606,980.85 × 168,069.10
  4. Step 4: Simplify right side
    404,556.70x = 102,014,725,176.74
  5. Step 5: Solve for x
    x = 102,014,725,176.74/404,556.70
  6. Step 6: Final answer
    x = 252,164.22

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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.