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Finding the Fourth Proportional to 293,698.85, 405,290.72 and 166,375.49

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Solution

The fourth proportional to 293,698.85, 405,290.72 and 166,375.49 is: 229,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,698.85 : 405,290.72 = 166,375.49 : x
  2. Step 2: Convert to fraction form
    293,698.85/405,290.72 = 166,375.49/x
  3. Step 3: Cross multiply
    293,698.85x = 405,290.72 × 166,375.49
  4. Step 4: Simplify right side
    293,698.85x = 67,430,440,521.94
  5. Step 5: Solve for x
    x = 67,430,440,521.94/293,698.85
  6. Step 6: Final answer
    x = 229,590.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.