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Finding the Fourth Proportional to 297,767.68, 446,720.56 and 98,080.88

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Solution

The fourth proportional to 297,767.68, 446,720.56 and 98,080.88 is: 147,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,767.68 : 446,720.56 = 98,080.88 : x
  2. Step 2: Convert to fraction form
    297,767.68/446,720.56 = 98,080.88/x
  3. Step 3: Cross multiply
    297,767.68x = 446,720.56 × 98,080.88
  4. Step 4: Simplify right side
    297,767.68x = 43,814,745,638.89
  5. Step 5: Solve for x
    x = 43,814,745,638.89/297,767.68
  6. Step 6: Final answer
    x = 147,144.06

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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.