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Finding the Fourth Proportional to 428,083.92, 590,754.60 and 246,795.12

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Solution

The fourth proportional to 428,083.92, 590,754.60 and 246,795.12 is: 340,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083.92 : 590,754.60 = 246,795.12 : x
  2. Step 2: Convert to fraction form
    428,083.92/590,754.60 = 246,795.12/x
  3. Step 3: Cross multiply
    428,083.92x = 590,754.60 × 246,795.12
  4. Step 4: Simplify right side
    428,083.92x = 145,795,352,397.55
  5. Step 5: Solve for x
    x = 145,795,352,397.55/428,083.92
  6. Step 6: Final answer
    x = 340,576.57

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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.