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Finding the Fourth Proportional to 341,729.60, 513,112.80 and 262,932.80

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Solution

The fourth proportional to 341,729.60, 513,112.80 and 262,932.80 is: 394,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,729.60 : 513,112.80 = 262,932.80 : x
  2. Step 2: Convert to fraction form
    341,729.60/513,112.80 = 262,932.80/x
  3. Step 3: Cross multiply
    341,729.60x = 513,112.80 × 262,932.80
  4. Step 4: Simplify right side
    341,729.60x = 134,914,185,219.84
  5. Step 5: Solve for x
    x = 134,914,185,219.84/341,729.60
  6. Step 6: Final answer
    x = 394,798.07

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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.