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Finding the Fourth Proportional to 653,481.06, 978,112.35 and 337,503.30

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Solution

The fourth proportional to 653,481.06, 978,112.35 and 337,503.30 is: 505,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,481.06 : 978,112.35 = 337,503.30 : x
  2. Step 2: Convert to fraction form
    653,481.06/978,112.35 = 337,503.30/x
  3. Step 3: Cross multiply
    653,481.06x = 978,112.35 × 337,503.30
  4. Step 4: Simplify right side
    653,481.06x = 330,116,145,895.76
  5. Step 5: Solve for x
    x = 330,116,145,895.76/653,481.06
  6. Step 6: Final answer
    x = 505,165.59

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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.