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Finding the Fourth Proportional to 575,804.40, 794,694.84 and 372,331.56

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Solution

The fourth proportional to 575,804.40, 794,694.84 and 372,331.56 is: 513,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,804.40 : 794,694.84 = 372,331.56 : x
  2. Step 2: Convert to fraction form
    575,804.40/794,694.84 = 372,331.56/x
  3. Step 3: Cross multiply
    575,804.40x = 794,694.84 × 372,331.56
  4. Step 4: Simplify right side
    575,804.40x = 295,889,969,501.15
  5. Step 5: Solve for x
    x = 295,889,969,501.15/575,804.40
  6. Step 6: Final answer
    x = 513,872.37

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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.