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Finding the Fourth Proportional to 331,062.85, 496,598.85 and 94,405.49

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Solution

The fourth proportional to 331,062.85, 496,598.85 and 94,405.49 is: 141,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,062.85 : 496,598.85 = 94,405.49 : x
  2. Step 2: Convert to fraction form
    331,062.85/496,598.85 = 94,405.49/x
  3. Step 3: Cross multiply
    331,062.85x = 496,598.85 × 94,405.49
  4. Step 4: Simplify right side
    331,062.85x = 46,881,657,146.94
  5. Step 5: Solve for x
    x = 46,881,657,146.94/331,062.85
  6. Step 6: Final answer
    x = 141,609.54

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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.