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Finding the Fourth Proportional to 359,122.07, 495,591.81 and 197,982.91

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Solution

The fourth proportional to 359,122.07, 495,591.81 and 197,982.91 is: 273,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,122.07 : 495,591.81 = 197,982.91 : x
  2. Step 2: Convert to fraction form
    359,122.07/495,591.81 = 197,982.91/x
  3. Step 3: Cross multiply
    359,122.07x = 495,591.81 × 197,982.91
  4. Step 4: Simplify right side
    359,122.07x = 98,118,706,238.01
  5. Step 5: Solve for x
    x = 98,118,706,238.01/359,122.07
  6. Step 6: Final answer
    x = 273,218.26

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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.