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Finding the Fourth Proportional to 359,674.37, 496,362.69 and 196,340.57

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Solution

The fourth proportional to 359,674.37, 496,362.69 and 196,340.57 is: 270,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,674.37 : 496,362.69 = 196,340.57 : x
  2. Step 2: Convert to fraction form
    359,674.37/496,362.69 = 196,340.57/x
  3. Step 3: Cross multiply
    359,674.37x = 496,362.69 × 196,340.57
  4. Step 4: Simplify right side
    359,674.37x = 97,456,130,999.52
  5. Step 5: Solve for x
    x = 97,456,130,999.52/359,674.37
  6. Step 6: Final answer
    x = 270,956.57

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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.