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Finding the Fourth Proportional to 326,071.70, 488,524.35 and 201,266.90

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Solution

The fourth proportional to 326,071.70, 488,524.35 and 201,266.90 is: 301,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,071.70 : 488,524.35 = 201,266.90 : x
  2. Step 2: Convert to fraction form
    326,071.70/488,524.35 = 201,266.90/x
  3. Step 3: Cross multiply
    326,071.70x = 488,524.35 × 201,266.90
  4. Step 4: Simplify right side
    326,071.70x = 98,323,781,499.02
  5. Step 5: Solve for x
    x = 98,323,781,499.02/326,071.70
  6. Step 6: Final answer
    x = 301,540.37

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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.