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Finding the Fourth Proportional to 329,657.60, 494,357.84 and 113,475.44

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Solution

The fourth proportional to 329,657.60, 494,357.84 and 113,475.44 is: 170,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,657.60 : 494,357.84 = 113,475.44 : x
  2. Step 2: Convert to fraction form
    329,657.60/494,357.84 = 113,475.44/x
  3. Step 3: Cross multiply
    329,657.60x = 494,357.84 × 113,475.44
  4. Step 4: Simplify right side
    329,657.60x = 56,097,473,411.45
  5. Step 5: Solve for x
    x = 56,097,473,411.45/329,657.60
  6. Step 6: Final answer
    x = 170,168.91

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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.