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Finding the Fourth Proportional to 594,057.56, 819,842.88 and 339,403.28

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Solution

The fourth proportional to 594,057.56, 819,842.88 and 339,403.28 is: 468,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,057.56 : 819,842.88 = 339,403.28 : x
  2. Step 2: Convert to fraction form
    594,057.56/819,842.88 = 339,403.28/x
  3. Step 3: Cross multiply
    594,057.56x = 819,842.88 × 339,403.28
  4. Step 4: Simplify right side
    594,057.56x = 278,257,362,556.65
  5. Step 5: Solve for x
    x = 278,257,362,556.65/594,057.56
  6. Step 6: Final answer
    x = 468,401.35

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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.