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Finding the Fourth Proportional to 297,439.70, 446,093.93 and 87,094.04

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Solution

The fourth proportional to 297,439.70, 446,093.93 and 87,094.04 is: 130,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,439.70 : 446,093.93 = 87,094.04 : x
  2. Step 2: Convert to fraction form
    297,439.70/446,093.93 = 87,094.04/x
  3. Step 3: Cross multiply
    297,439.70x = 446,093.93 × 87,094.04
  4. Step 4: Simplify right side
    297,439.70x = 38,852,120,570.44
  5. Step 5: Solve for x
    x = 38,852,120,570.44/297,439.70
  6. Step 6: Final answer
    x = 130,621.84

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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.