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Finding the Fourth Proportional to 428,093.37, 590,088.51 and 337,308.57

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Solution

The fourth proportional to 428,093.37, 590,088.51 and 337,308.57 is: 464,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,093.37 : 590,088.51 = 337,308.57 : x
  2. Step 2: Convert to fraction form
    428,093.37/590,088.51 = 337,308.57/x
  3. Step 3: Cross multiply
    428,093.37x = 590,088.51 × 337,308.57
  4. Step 4: Simplify right side
    428,093.37x = 199,041,911,481.53
  5. Step 5: Solve for x
    x = 199,041,911,481.53/428,093.37
  6. Step 6: Final answer
    x = 464,949.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.