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Finding the Fourth Proportional to 359,496.90, 496,105.34 and 198,351.93

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Solution

The fourth proportional to 359,496.90, 496,105.34 and 198,351.93 is: 273,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,496.90 : 496,105.34 = 198,351.93 : x
  2. Step 2: Convert to fraction form
    359,496.90/496,105.34 = 198,351.93/x
  3. Step 3: Cross multiply
    359,496.90x = 496,105.34 × 198,351.93
  4. Step 4: Simplify right side
    359,496.90x = 98,403,452,574.93
  5. Step 5: Solve for x
    x = 98,403,452,574.93/359,496.90
  6. Step 6: Final answer
    x = 273,725.46

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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.