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Finding the Fourth Proportional to 624,613.62, 863,419.44 and 557,297.76

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Solution

The fourth proportional to 624,613.62, 863,419.44 and 557,297.76 is: 770,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,613.62 : 863,419.44 = 557,297.76 : x
  2. Step 2: Convert to fraction form
    624,613.62/863,419.44 = 557,297.76/x
  3. Step 3: Cross multiply
    624,613.62x = 863,419.44 × 557,297.76
  4. Step 4: Simplify right side
    624,613.62x = 481,181,719,852.45
  5. Step 5: Solve for x
    x = 481,181,719,852.45/624,613.62
  6. Step 6: Final answer
    x = 770,367.00

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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.