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Finding the Fourth Proportional to 200,392.89, 300,609.07 and 58,239.41

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Solution

The fourth proportional to 200,392.89, 300,609.07 and 58,239.41 is: 87,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,392.89 : 300,609.07 = 58,239.41 : x
  2. Step 2: Convert to fraction form
    200,392.89/300,609.07 = 58,239.41/x
  3. Step 3: Cross multiply
    200,392.89x = 300,609.07 × 58,239.41
  4. Step 4: Simplify right side
    200,392.89x = 17,507,293,556.40
  5. Step 5: Solve for x
    x = 17,507,293,556.40/200,392.89
  6. Step 6: Final answer
    x = 87,364.85

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1.5x scale

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.