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Finding the Fourth Proportional to 326,064.35, 489,096.53 and 201,475.55

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Solution

The fourth proportional to 326,064.35, 489,096.53 and 201,475.55 is: 302,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,064.35 : 489,096.53 = 201,475.55 : x
  2. Step 2: Convert to fraction form
    326,064.35/489,096.53 = 201,475.55/x
  3. Step 3: Cross multiply
    326,064.35x = 489,096.53 × 201,475.55
  4. Step 4: Simplify right side
    326,064.35x = 98,540,991,377.46
  5. Step 5: Solve for x
    x = 98,540,991,377.46/326,064.35
  6. Step 6: Final answer
    x = 302,213.33

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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.