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Finding the Fourth Proportional to 359,021.08, 495,452.10 and 197,876.54

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Solution

The fourth proportional to 359,021.08, 495,452.10 and 197,876.54 is: 273,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,021.08 : 495,452.10 = 197,876.54 : x
  2. Step 2: Convert to fraction form
    359,021.08/495,452.10 = 197,876.54/x
  3. Step 3: Cross multiply
    359,021.08x = 495,452.10 × 197,876.54
  4. Step 4: Simplify right side
    359,021.08x = 98,038,344,806.47
  5. Step 5: Solve for x
    x = 98,038,344,806.47/359,021.08
  6. Step 6: Final answer
    x = 273,071.28

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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.