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Finding the Fourth Proportional to 359,045.66, 495,486.42 and 197,906.96

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Solution

The fourth proportional to 359,045.66, 495,486.42 and 197,906.96 is: 273,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,045.66 : 495,486.42 = 197,906.96 : x
  2. Step 2: Convert to fraction form
    359,045.66/495,486.42 = 197,906.96/x
  3. Step 3: Cross multiply
    359,045.66x = 495,486.42 × 197,906.96
  4. Step 4: Simplify right side
    359,045.66x = 98,060,211,103.48
  5. Step 5: Solve for x
    x = 98,060,211,103.48/359,045.66
  6. Step 6: Final answer
    x = 273,113.48

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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.