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Finding the Fourth Proportional to 297,740.22, 446,671.89 and 98,072.79

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Solution

The fourth proportional to 297,740.22, 446,671.89 and 98,072.79 is: 147,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,740.22 : 446,671.89 = 98,072.79 : x
  2. Step 2: Convert to fraction form
    297,740.22/446,671.89 = 98,072.79/x
  3. Step 3: Cross multiply
    297,740.22x = 446,671.89 × 98,072.79
  4. Step 4: Simplify right side
    297,740.22x = 43,806,358,466.87
  5. Step 5: Solve for x
    x = 43,806,358,466.87/297,740.22
  6. Step 6: Final answer
    x = 147,129.46

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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.