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Finding the Fourth Proportional to 447,998.51, 618,237.68 and 246,794.51

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Solution

The fourth proportional to 447,998.51, 618,237.68 and 246,794.51 is: 340,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,998.51 : 618,237.68 = 246,794.51 : x
  2. Step 2: Convert to fraction form
    447,998.51/618,237.68 = 246,794.51/x
  3. Step 3: Cross multiply
    447,998.51x = 618,237.68 × 246,794.51
  4. Step 4: Simplify right side
    447,998.51x = 152,577,660,973.98
  5. Step 5: Solve for x
    x = 152,577,660,973.98/447,998.51
  6. Step 6: Final answer
    x = 340,576.27

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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.