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Finding the Fourth Proportional to 353,548.63, 530,388.96 and 117,057.79

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Solution

The fourth proportional to 353,548.63, 530,388.96 and 117,057.79 is: 175,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,548.63 : 530,388.96 = 117,057.79 : x
  2. Step 2: Convert to fraction form
    353,548.63/530,388.96 = 117,057.79/x
  3. Step 3: Cross multiply
    353,548.63x = 530,388.96 × 117,057.79
  4. Step 4: Simplify right side
    353,548.63x = 62,086,159,498.00
  5. Step 5: Solve for x
    x = 62,086,159,498.00/353,548.63
  6. Step 6: Final answer
    x = 175,608.54

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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.