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Finding the Fourth Proportional to 295,328.33, 408,086.21 and 210,297.77

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Solution

The fourth proportional to 295,328.33, 408,086.21 and 210,297.77 is: 290,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,328.33 : 408,086.21 = 210,297.77 : x
  2. Step 2: Convert to fraction form
    295,328.33/408,086.21 = 210,297.77/x
  3. Step 3: Cross multiply
    295,328.33x = 408,086.21 × 210,297.77
  4. Step 4: Simplify right side
    295,328.33x = 85,819,618,879.26
  5. Step 5: Solve for x
    x = 85,819,618,879.26/295,328.33
  6. Step 6: Final answer
    x = 290,590.54

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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.