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Finding the Fourth Proportional to 378,424.43, 567,804.32 and 200,888.63

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Solution

The fourth proportional to 378,424.43, 567,804.32 and 200,888.63 is: 301,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,424.43 : 567,804.32 = 200,888.63 : x
  2. Step 2: Convert to fraction form
    378,424.43/567,804.32 = 200,888.63/x
  3. Step 3: Cross multiply
    378,424.43x = 567,804.32 × 200,888.63
  4. Step 4: Simplify right side
    378,424.43x = 114,065,430,948.44
  5. Step 5: Solve for x
    x = 114,065,430,948.44/378,424.43
  6. Step 6: Final answer
    x = 301,421.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.