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Finding the Fourth Proportional to 330,908.63, 496,572.90 and 141,370.41

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Solution

The fourth proportional to 330,908.63, 496,572.90 and 141,370.41 is: 212,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,908.63 : 496,572.90 = 141,370.41 : x
  2. Step 2: Convert to fraction form
    330,908.63/496,572.90 = 141,370.41/x
  3. Step 3: Cross multiply
    330,908.63x = 496,572.90 × 141,370.41
  4. Step 4: Simplify right side
    330,908.63x = 70,200,714,467.89
  5. Step 5: Solve for x
    x = 70,200,714,467.89/330,908.63
  6. Step 6: Final answer
    x = 212,145.31

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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.