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Finding the Fourth Proportional to 341,735.60, 513,121.80 and 262,938.80

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Solution

The fourth proportional to 341,735.60, 513,121.80 and 262,938.80 is: 394,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,735.60 : 513,121.80 = 262,938.80 : x
  2. Step 2: Convert to fraction form
    341,735.60/513,121.80 = 262,938.80/x
  3. Step 3: Cross multiply
    341,735.60x = 513,121.80 × 262,938.80
  4. Step 4: Simplify right side
    341,735.60x = 134,919,630,345.84
  5. Step 5: Solve for x
    x = 134,919,630,345.84/341,735.60
  6. Step 6: Final answer
    x = 394,807.07

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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.