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Finding the Fourth Proportional to 543,899.28, 750,604.36 and 302,181.86

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Solution

The fourth proportional to 543,899.28, 750,604.36 and 302,181.86 is: 417,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,899.28 : 750,604.36 = 302,181.86 : x
  2. Step 2: Convert to fraction form
    543,899.28/750,604.36 = 302,181.86/x
  3. Step 3: Cross multiply
    543,899.28x = 750,604.36 × 302,181.86
  4. Step 4: Simplify right side
    543,899.28x = 226,819,019,790.06
  5. Step 5: Solve for x
    x = 226,819,019,790.06/543,899.28
  6. Step 6: Final answer
    x = 417,023.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.