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Finding the Fourth Proportional to 529,566.72, 794,749.44 and 280,304.64

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Solution

The fourth proportional to 529,566.72, 794,749.44 and 280,304.64 is: 420,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,566.72 : 794,749.44 = 280,304.64 : x
  2. Step 2: Convert to fraction form
    529,566.72/794,749.44 = 280,304.64/x
  3. Step 3: Cross multiply
    529,566.72x = 794,749.44 × 280,304.64
  4. Step 4: Simplify right side
    529,566.72x = 222,771,955,669.40
  5. Step 5: Solve for x
    x = 222,771,955,669.40/529,566.72
  6. Step 6: Final answer
    x = 420,668.34

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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.