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Finding the Fourth Proportional to 359,135.37, 495,597.69 and 197,986.68

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Solution

The fourth proportional to 359,135.37, 495,597.69 and 197,986.68 is: 273,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,135.37 : 495,597.69 = 197,986.68 : x
  2. Step 2: Convert to fraction form
    359,135.37/495,597.69 = 197,986.68/x
  3. Step 3: Cross multiply
    359,135.37x = 495,597.69 × 197,986.68
  4. Step 4: Simplify right side
    359,135.37x = 98,121,741,258.77
  5. Step 5: Solve for x
    x = 98,121,741,258.77/359,135.37
  6. Step 6: Final answer
    x = 273,216.59

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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.