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Finding the Fourth Proportional to 297,987.82, 446,995.72 and 98,325.66

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Solution

The fourth proportional to 297,987.82, 446,995.72 and 98,325.66 is: 147,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,987.82 : 446,995.72 = 98,325.66 : x
  2. Step 2: Convert to fraction form
    297,987.82/446,995.72 = 98,325.66/x
  3. Step 3: Cross multiply
    297,987.82x = 446,995.72 × 98,325.66
  4. Step 4: Simplify right side
    297,987.82x = 43,951,149,186.18
  5. Step 5: Solve for x
    x = 43,951,149,186.18/297,987.82
  6. Step 6: Final answer
    x = 147,493.11

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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.