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Finding the Fourth Proportional to 550,385.54, 759,533.40 and 321,100.46

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Solution

The fourth proportional to 550,385.54, 759,533.40 and 321,100.46 is: 443,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,385.54 : 759,533.40 = 321,100.46 : x
  2. Step 2: Convert to fraction form
    550,385.54/759,533.40 = 321,100.46/x
  3. Step 3: Cross multiply
    550,385.54x = 759,533.40 × 321,100.46
  4. Step 4: Simplify right side
    550,385.54x = 243,886,520,327.70
  5. Step 5: Solve for x
    x = 243,886,520,327.70/550,385.54
  6. Step 6: Final answer
    x = 443,119.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.