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Finding the Fourth Proportional to 359,674.83, 496,351.30 and 198,529.92

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Solution

The fourth proportional to 359,674.83, 496,351.30 and 198,529.92 is: 273,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,674.83 : 496,351.30 = 198,529.92 : x
  2. Step 2: Convert to fraction form
    359,674.83/496,351.30 = 198,529.92/x
  3. Step 3: Cross multiply
    359,674.83x = 496,351.30 × 198,529.92
  4. Step 4: Simplify right side
    359,674.83x = 98,540,582,888.25
  5. Step 5: Solve for x
    x = 98,540,582,888.25/359,674.83
  6. Step 6: Final answer
    x = 273,971.31

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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.