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Finding the Fourth Proportional to 605,985.30, 908,765.34 and 332,376.54

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Solution

The fourth proportional to 605,985.30, 908,765.34 and 332,376.54 is: 498,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,985.30 : 908,765.34 = 332,376.54 : x
  2. Step 2: Convert to fraction form
    605,985.30/908,765.34 = 332,376.54/x
  3. Step 3: Cross multiply
    605,985.30x = 908,765.34 × 332,376.54
  4. Step 4: Simplify right side
    605,985.30x = 302,052,279,381.12
  5. Step 5: Solve for x
    x = 302,052,279,381.12/605,985.30
  6. Step 6: Final answer
    x = 498,448.20

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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.