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Finding the Fourth Proportional to 358,863.44, 538,277.22 and 134,207.33

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Solution

The fourth proportional to 358,863.44, 538,277.22 and 134,207.33 is: 201,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,863.44 : 538,277.22 = 134,207.33 : x
  2. Step 2: Convert to fraction form
    358,863.44/538,277.22 = 134,207.33/x
  3. Step 3: Cross multiply
    358,863.44x = 538,277.22 × 134,207.33
  4. Step 4: Simplify right side
    358,863.44x = 72,240,745,804.64
  5. Step 5: Solve for x
    x = 72,240,745,804.64/358,863.44
  6. Step 6: Final answer
    x = 201,304.28

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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.