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Finding the Fourth Proportional to 311,828.40, 467,051.40 and 241,479.60

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Solution

The fourth proportional to 311,828.40, 467,051.40 and 241,479.60 is: 361,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,828.40 : 467,051.40 = 241,479.60 : x
  2. Step 2: Convert to fraction form
    311,828.40/467,051.40 = 241,479.60/x
  3. Step 3: Cross multiply
    311,828.40x = 467,051.40 × 241,479.60
  4. Step 4: Simplify right side
    311,828.40x = 112,783,385,251.44
  5. Step 5: Solve for x
    x = 112,783,385,251.44/311,828.40
  6. Step 6: Final answer
    x = 361,684.14

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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.