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Finding the Fourth Proportional to 359,083.79, 495,539.01 and 197,944.61

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Solution

The fourth proportional to 359,083.79, 495,539.01 and 197,944.61 is: 273,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,083.79 : 495,539.01 = 197,944.61 : x
  2. Step 2: Convert to fraction form
    359,083.79/495,539.01 = 197,944.61/x
  3. Step 3: Cross multiply
    359,083.79x = 495,539.01 × 197,944.61
  4. Step 4: Simplify right side
    359,083.79x = 98,089,273,596.54
  5. Step 5: Solve for x
    x = 98,089,273,596.54/359,083.79
  6. Step 6: Final answer
    x = 273,165.42

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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.