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Finding the Fourth Proportional to 590,940.56, 815,403 and 336,296

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Solution

The fourth proportional to 590,940.56, 815,403 and 336,296 is: 464,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,940.56 : 815,403 = 336,296 : x
  2. Step 2: Convert to fraction form
    590,940.56/815,403 = 336,296/x
  3. Step 3: Cross multiply
    590,940.56x = 815,403 × 336,296
  4. Step 4: Simplify right side
    590,940.56x = 274,216,767,288
  5. Step 5: Solve for x
    x = 274,216,767,288/590,940.56
  6. Step 6: Final answer
    x = 464,034.43

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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.