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Finding the Fourth Proportional to 531,615.26, 733,601.22 and 302,141.90

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Solution

The fourth proportional to 531,615.26, 733,601.22 and 302,141.90 is: 416,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,615.26 : 733,601.22 = 302,141.90 : x
  2. Step 2: Convert to fraction form
    531,615.26/733,601.22 = 302,141.90/x
  3. Step 3: Cross multiply
    531,615.26x = 733,601.22 × 302,141.90
  4. Step 4: Simplify right side
    531,615.26x = 221,651,666,453.12
  5. Step 5: Solve for x
    x = 221,651,666,453.12/531,615.26
  6. Step 6: Final answer
    x = 416,940.00

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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.