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Finding the Fourth Proportional to 354,255.73, 531,284.79 and 98,026.58

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Solution

The fourth proportional to 354,255.73, 531,284.79 and 98,026.58 is: 147,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,255.73 : 531,284.79 = 98,026.58 : x
  2. Step 2: Convert to fraction form
    354,255.73/531,284.79 = 98,026.58/x
  3. Step 3: Cross multiply
    354,255.73x = 531,284.79 × 98,026.58
  4. Step 4: Simplify right side
    354,255.73x = 52,080,032,297.93
  5. Step 5: Solve for x
    x = 52,080,032,297.93/354,255.73
  6. Step 6: Final answer
    x = 147,012.53

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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.