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Finding the Fourth Proportional to 353,817.54, 530,808.30 and 101,101.32

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Solution

The fourth proportional to 353,817.54, 530,808.30 and 101,101.32 is: 151,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,817.54 : 530,808.30 = 101,101.32 : x
  2. Step 2: Convert to fraction form
    353,817.54/530,808.30 = 101,101.32/x
  3. Step 3: Cross multiply
    353,817.54x = 530,808.30 × 101,101.32
  4. Step 4: Simplify right side
    353,817.54x = 53,665,419,796.96
  5. Step 5: Solve for x
    x = 53,665,419,796.96/353,817.54
  6. Step 6: Final answer
    x = 151,675.41

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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.