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Finding the Fourth Proportional to 447,838.44, 618,014.34 and 246,633

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Solution

The fourth proportional to 447,838.44, 618,014.34 and 246,633 is: 340,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,838.44 : 618,014.34 = 246,633 : x
  2. Step 2: Convert to fraction form
    447,838.44/618,014.34 = 246,633/x
  3. Step 3: Cross multiply
    447,838.44x = 618,014.34 × 246,633
  4. Step 4: Simplify right side
    447,838.44x = 152,422,730,717.22
  5. Step 5: Solve for x
    x = 152,422,730,717.22/447,838.44
  6. Step 6: Final answer
    x = 340,352.05

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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.