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Finding the Fourth Proportional to 297,899.64, 446,878.62 and 98,138.52

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Solution

The fourth proportional to 297,899.64, 446,878.62 and 98,138.52 is: 147,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,899.64 : 446,878.62 = 98,138.52 : x
  2. Step 2: Convert to fraction form
    297,899.64/446,878.62 = 98,138.52/x
  3. Step 3: Cross multiply
    297,899.64x = 446,878.62 × 98,138.52
  4. Step 4: Simplify right side
    297,899.64x = 43,856,006,386.44
  5. Step 5: Solve for x
    x = 43,856,006,386.44/297,899.64
  6. Step 6: Final answer
    x = 147,217.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.