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Finding the Fourth Proportional to 298,840.05, 448,325.69 and 88,494.39

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Solution

The fourth proportional to 298,840.05, 448,325.69 and 88,494.39 is: 132,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,840.05 : 448,325.69 = 88,494.39 : x
  2. Step 2: Convert to fraction form
    298,840.05/448,325.69 = 88,494.39/x
  3. Step 3: Cross multiply
    298,840.05x = 448,325.69 × 88,494.39
  4. Step 4: Simplify right side
    298,840.05x = 39,674,308,015.41
  5. Step 5: Solve for x
    x = 39,674,308,015.41/298,840.05
  6. Step 6: Final answer
    x = 132,761.01

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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.