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Finding the Fourth Proportional to 358,927.00, 538,400.94 and 134,244.57

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Solution

The fourth proportional to 358,927.00, 538,400.94 and 134,244.57 is: 201,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,927.00 : 538,400.94 = 134,244.57 : x
  2. Step 2: Convert to fraction form
    358,927.00/538,400.94 = 134,244.57/x
  3. Step 3: Cross multiply
    358,927.00x = 538,400.94 × 134,244.57
  4. Step 4: Simplify right side
    358,927.00x = 72,277,401,920.10
  5. Step 5: Solve for x
    x = 72,277,401,920.10/358,927.00
  6. Step 6: Final answer
    x = 201,370.76

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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.