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Finding the Fourth Proportional to 557,597.41, 769,550.03 and 331,242.91

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Solution

The fourth proportional to 557,597.41, 769,550.03 and 331,242.91 is: 457,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,597.41 : 769,550.03 = 331,242.91 : x
  2. Step 2: Convert to fraction form
    557,597.41/769,550.03 = 331,242.91/x
  3. Step 3: Cross multiply
    557,597.41x = 769,550.03 × 331,242.91
  4. Step 4: Simplify right side
    557,597.41x = 254,907,991,327.79
  5. Step 5: Solve for x
    x = 254,907,991,327.79/557,597.41
  6. Step 6: Final answer
    x = 457,154.19

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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.