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Finding the Fourth Proportional to 359,804.28, 496,537.64 and 198,669.51

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Solution

The fourth proportional to 359,804.28, 496,537.64 and 198,669.51 is: 274,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,804.28 : 496,537.64 = 198,669.51 : x
  2. Step 2: Convert to fraction form
    359,804.28/496,537.64 = 198,669.51/x
  3. Step 3: Cross multiply
    359,804.28x = 496,537.64 × 198,669.51
  4. Step 4: Simplify right side
    359,804.28x = 98,646,890,504.54
  5. Step 5: Solve for x
    x = 98,646,890,504.54/359,804.28
  6. Step 6: Final answer
    x = 274,168.20

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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.