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Finding the Fourth Proportional to 311,405.60, 467,223.60 and 101,050.40

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Solution

The fourth proportional to 311,405.60, 467,223.60 and 101,050.40 is: 151,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,405.60 : 467,223.60 = 101,050.40 : x
  2. Step 2: Convert to fraction form
    311,405.60/467,223.60 = 101,050.40/x
  3. Step 3: Cross multiply
    311,405.60x = 467,223.60 × 101,050.40
  4. Step 4: Simplify right side
    311,405.60x = 47,213,131,669.44
  5. Step 5: Solve for x
    x = 47,213,131,669.44/311,405.60
  6. Step 6: Final answer
    x = 151,612.98

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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.