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Finding the Fourth Proportional to 491,771.79, 737,403.89 and 225,303.93

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Solution

The fourth proportional to 491,771.79, 737,403.89 and 225,303.93 is: 337,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,771.79 : 737,403.89 = 225,303.93 : x
  2. Step 2: Convert to fraction form
    491,771.79/737,403.89 = 225,303.93/x
  3. Step 3: Cross multiply
    491,771.79x = 737,403.89 × 225,303.93
  4. Step 4: Simplify right side
    491,771.79x = 166,139,993,287.77
  5. Step 5: Solve for x
    x = 166,139,993,287.77/491,771.79
  6. Step 6: Final answer
    x = 337,839.62

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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.