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Finding the Fourth Proportional to 496,487.34, 685,153.89 and 270,132.84

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Solution

The fourth proportional to 496,487.34, 685,153.89 and 270,132.84 is: 372,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,487.34 : 685,153.89 = 270,132.84 : x
  2. Step 2: Convert to fraction form
    496,487.34/685,153.89 = 270,132.84/x
  3. Step 3: Cross multiply
    496,487.34x = 685,153.89 × 270,132.84
  4. Step 4: Simplify right side
    496,487.34x = 185,082,566,142.75
  5. Step 5: Solve for x
    x = 185,082,566,142.75/496,487.34
  6. Step 6: Final answer
    x = 372,784.06

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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.