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Finding the Fourth Proportional to 504,861.54, 757,434.81 and 205,556.93

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Solution

The fourth proportional to 504,861.54, 757,434.81 and 205,556.93 is: 308,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,861.54 : 757,434.81 = 205,556.93 : x
  2. Step 2: Convert to fraction form
    504,861.54/757,434.81 = 205,556.93/x
  3. Step 3: Cross multiply
    504,861.54x = 757,434.81 × 205,556.93
  4. Step 4: Simplify right side
    504,861.54x = 155,695,970,431.56
  5. Step 5: Solve for x
    x = 155,695,970,431.56/504,861.54
  6. Step 6: Final answer
    x = 308,393.41

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1.5x scale

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.