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Finding the Fourth Proportional to 590,676.75, 815,133.92 and 322,404.75

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Solution

The fourth proportional to 590,676.75, 815,133.92 and 322,404.75 is: 444,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,676.75 : 815,133.92 = 322,404.75 : x
  2. Step 2: Convert to fraction form
    590,676.75/815,133.92 = 322,404.75/x
  3. Step 3: Cross multiply
    590,676.75x = 815,133.92 × 322,404.75
  4. Step 4: Simplify right side
    590,676.75x = 262,803,047,694.12
  5. Step 5: Solve for x
    x = 262,803,047,694.12/590,676.75
  6. Step 6: Final answer
    x = 444,918.56

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1.5x scale

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.