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Finding the Fourth Proportional to 264,938.60, 396,824.70 and 235,389.80

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Solution

The fourth proportional to 264,938.60, 396,824.70 and 235,389.80 is: 352,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,938.60 : 396,824.70 = 235,389.80 : x
  2. Step 2: Convert to fraction form
    264,938.60/396,824.70 = 235,389.80/x
  3. Step 3: Cross multiply
    264,938.60x = 396,824.70 × 235,389.80
  4. Step 4: Simplify right side
    264,938.60x = 93,408,486,768.06
  5. Step 5: Solve for x
    x = 93,408,486,768.06/264,938.60
  6. Step 6: Final answer
    x = 352,566.54

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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.