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Finding the Fourth Proportional to 324,840.90, 486,570.15 and 269,544.90

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Solution

The fourth proportional to 324,840.90, 486,570.15 and 269,544.90 is: 403,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,840.90 : 486,570.15 = 269,544.90 : x
  2. Step 2: Convert to fraction form
    324,840.90/486,570.15 = 269,544.90/x
  3. Step 3: Cross multiply
    324,840.90x = 486,570.15 × 269,544.90
  4. Step 4: Simplify right side
    324,840.90x = 131,152,502,424.74
  5. Step 5: Solve for x
    x = 131,152,502,424.74/324,840.90
  6. Step 6: Final answer
    x = 403,743.81

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1.5x scale

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.