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Finding the Fourth Proportional to 359,050.92, 495,493.57 and 197,912.15

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Solution

The fourth proportional to 359,050.92, 495,493.57 and 197,912.15 is: 273,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,050.92 : 495,493.57 = 197,912.15 : x
  2. Step 2: Convert to fraction form
    359,050.92/495,493.57 = 197,912.15/x
  3. Step 3: Cross multiply
    359,050.92x = 495,493.57 × 197,912.15
  4. Step 4: Simplify right side
    359,050.92x = 98,064,197,749.88
  5. Step 5: Solve for x
    x = 98,064,197,749.88/359,050.92
  6. Step 6: Final answer
    x = 273,120.59

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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.