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Finding the Fourth Proportional to 298,703.33, 448,138.04 and 130,238.37

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Solution

The fourth proportional to 298,703.33, 448,138.04 and 130,238.37 is: 195,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,703.33 : 448,138.04 = 130,238.37 : x
  2. Step 2: Convert to fraction form
    298,703.33/448,138.04 = 130,238.37/x
  3. Step 3: Cross multiply
    298,703.33x = 448,138.04 × 130,238.37
  4. Step 4: Simplify right side
    298,703.33x = 58,364,767,213.40
  5. Step 5: Solve for x
    x = 58,364,767,213.40/298,703.33
  6. Step 6: Final answer
    x = 195,393.76

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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.