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Finding the Fourth Proportional to 447,906.64, 618,111.14 and 246,702.64

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Solution

The fourth proportional to 447,906.64, 618,111.14 and 246,702.64 is: 340,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,906.64 : 618,111.14 = 246,702.64 : x
  2. Step 2: Convert to fraction form
    447,906.64/618,111.14 = 246,702.64/x
  3. Step 3: Cross multiply
    447,906.64x = 618,111.14 × 246,702.64
  4. Step 4: Simplify right side
    447,906.64x = 152,489,650,051.41
  5. Step 5: Solve for x
    x = 152,489,650,051.41/447,906.64
  6. Step 6: Final answer
    x = 340,449.63

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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.