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Finding the Fourth Proportional to 473,003.26, 653,455.36 and 310,046.56

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Solution

The fourth proportional to 473,003.26, 653,455.36 and 310,046.56 is: 428,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003.26 : 653,455.36 = 310,046.56 : x
  2. Step 2: Convert to fraction form
    473,003.26/653,455.36 = 310,046.56/x
  3. Step 3: Cross multiply
    473,003.26x = 653,455.36 × 310,046.56
  4. Step 4: Simplify right side
    473,003.26x = 202,601,586,481.56
  5. Step 5: Solve for x
    x = 202,601,586,481.56/473,003.26
  6. Step 6: Final answer
    x = 428,330.21

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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.