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Finding the Fourth Proportional to 427,880.87, 590,606.81 and 246,713.43

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Solution

The fourth proportional to 427,880.87, 590,606.81 and 246,713.43 is: 340,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,880.87 : 590,606.81 = 246,713.43 : x
  2. Step 2: Convert to fraction form
    427,880.87/590,606.81 = 246,713.43/x
  3. Step 3: Cross multiply
    427,880.87x = 590,606.81 × 246,713.43
  4. Step 4: Simplify right side
    427,880.87x = 145,710,631,876.46
  5. Step 5: Solve for x
    x = 145,710,631,876.46/427,880.87
  6. Step 6: Final answer
    x = 340,540.19

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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.