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Finding the Fourth Proportional to 571,616.44, 788,773.86 and 329,976.86

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Solution

The fourth proportional to 571,616.44, 788,773.86 and 329,976.86 is: 455,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,616.44 : 788,773.86 = 329,976.86 : x
  2. Step 2: Convert to fraction form
    571,616.44/788,773.86 = 329,976.86/x
  3. Step 3: Cross multiply
    571,616.44x = 788,773.86 × 329,976.86
  4. Step 4: Simplify right side
    571,616.44x = 260,277,121,572.88
  5. Step 5: Solve for x
    x = 260,277,121,572.88/571,616.44
  6. Step 6: Final answer
    x = 455,335.26

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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.