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Finding the Fourth Proportional to 358,989.32, 495,383.01 and 197,835.37

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Solution

The fourth proportional to 358,989.32, 495,383.01 and 197,835.37 is: 273,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,989.32 : 495,383.01 = 197,835.37 : x
  2. Step 2: Convert to fraction form
    358,989.32/495,383.01 = 197,835.37/x
  3. Step 3: Cross multiply
    358,989.32x = 495,383.01 × 197,835.37
  4. Step 4: Simplify right side
    358,989.32x = 98,004,279,094.72
  5. Step 5: Solve for x
    x = 98,004,279,094.72/358,989.32
  6. Step 6: Final answer
    x = 273,000.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.