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Finding the Fourth Proportional to 341,645.60, 512,986.80 and 262,848.80

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Solution

The fourth proportional to 341,645.60, 512,986.80 and 262,848.80 is: 394,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,645.60 : 512,986.80 = 262,848.80 : x
  2. Step 2: Convert to fraction form
    341,645.60/512,986.80 = 262,848.80/x
  3. Step 3: Cross multiply
    341,645.60x = 512,986.80 × 262,848.80
  4. Step 4: Simplify right side
    341,645.60x = 134,837,964,795.84
  5. Step 5: Solve for x
    x = 134,837,964,795.84/341,645.60
  6. Step 6: Final answer
    x = 394,672.04

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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.