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Finding the Fourth Proportional to 570,771.64, 787,662.86 and 329,053.04

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Solution

The fourth proportional to 570,771.64, 787,662.86 and 329,053.04 is: 454,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,771.64 : 787,662.86 = 329,053.04 : x
  2. Step 2: Convert to fraction form
    570,771.64/787,662.86 = 329,053.04/x
  3. Step 3: Cross multiply
    570,771.64x = 787,662.86 × 329,053.04
  4. Step 4: Simplify right side
    570,771.64x = 259,182,858,578.09
  5. Step 5: Solve for x
    x = 259,182,858,578.09/570,771.64
  6. Step 6: Final answer
    x = 454,092.04

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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.