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Finding the Fourth Proportional to 341,722.60, 513,102.30 and 262,925.80

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Solution

The fourth proportional to 341,722.60, 513,102.30 and 262,925.80 is: 394,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,722.60 : 513,102.30 = 262,925.80 : x
  2. Step 2: Convert to fraction form
    341,722.60/513,102.30 = 262,925.80/x
  3. Step 3: Cross multiply
    341,722.60x = 513,102.30 × 262,925.80
  4. Step 4: Simplify right side
    341,722.60x = 134,907,832,709.34
  5. Step 5: Solve for x
    x = 134,907,832,709.34/341,722.60
  6. Step 6: Final answer
    x = 394,787.56

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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.