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Finding the Fourth Proportional to 531,304.11, 733,216.82 and 301,857.21

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Solution

The fourth proportional to 531,304.11, 733,216.82 and 301,857.21 is: 416,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,304.11 : 733,216.82 = 301,857.21 : x
  2. Step 2: Convert to fraction form
    531,304.11/733,216.82 = 301,857.21/x
  3. Step 3: Cross multiply
    531,304.11x = 733,216.82 × 301,857.21
  4. Step 4: Simplify right side
    531,304.11x = 221,326,782,100.99
  5. Step 5: Solve for x
    x = 221,326,782,100.99/531,304.11
  6. Step 6: Final answer
    x = 416,572.69

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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.