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Finding the Fourth Proportional to 552,245.76, 827,154.40 and 456,389.56

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Solution

The fourth proportional to 552,245.76, 827,154.40 and 456,389.56 is: 683,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,245.76 : 827,154.40 = 456,389.56 : x
  2. Step 2: Convert to fraction form
    552,245.76/827,154.40 = 456,389.56/x
  3. Step 3: Cross multiply
    552,245.76x = 827,154.40 × 456,389.56
  4. Step 4: Simplify right side
    552,245.76x = 377,504,632,668.06
  5. Step 5: Solve for x
    x = 377,504,632,668.06/552,245.76
  6. Step 6: Final answer
    x = 683,580.86

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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.