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Finding the Fourth Proportional to 324,613.54, 489,136.04 and 266,745.52

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Solution

The fourth proportional to 324,613.54, 489,136.04 and 266,745.52 is: 401,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,613.54 : 489,136.04 = 266,745.52 : x
  2. Step 2: Convert to fraction form
    324,613.54/489,136.04 = 266,745.52/x
  3. Step 3: Cross multiply
    324,613.54x = 489,136.04 × 266,745.52
  4. Step 4: Simplify right side
    324,613.54x = 130,474,847,618.53
  5. Step 5: Solve for x
    x = 130,474,847,618.53/324,613.54
  6. Step 6: Final answer
    x = 401,939.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.