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Finding the Fourth Proportional to 359,119.75, 495,586.74 and 197,971.24

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Solution

The fourth proportional to 359,119.75, 495,586.74 and 197,971.24 is: 273,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,119.75 : 495,586.74 = 197,971.24 : x
  2. Step 2: Convert to fraction form
    359,119.75/495,586.74 = 197,971.24/x
  3. Step 3: Cross multiply
    359,119.75x = 495,586.74 × 197,971.24
  4. Step 4: Simplify right side
    359,119.75x = 98,111,921,445.36
  5. Step 5: Solve for x
    x = 98,111,921,445.36/359,119.75
  6. Step 6: Final answer
    x = 273,201.13

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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.