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Finding the Fourth Proportional to 447,968.01, 618,195.86 and 246,764.01

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Solution

The fourth proportional to 447,968.01, 618,195.86 and 246,764.01 is: 340,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,968.01 : 618,195.86 = 246,764.01 : x
  2. Step 2: Convert to fraction form
    447,968.01/618,195.86 = 246,764.01/x
  3. Step 3: Cross multiply
    447,968.01x = 618,195.86 × 246,764.01
  4. Step 4: Simplify right side
    447,968.01x = 152,548,489,379.00
  5. Step 5: Solve for x
    x = 152,548,489,379.00/447,968.01
  6. Step 6: Final answer
    x = 340,534.34

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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.