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Finding the Fourth Proportional to 558,506.26, 770,735.13 and 303,858.58

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Solution

The fourth proportional to 558,506.26, 770,735.13 and 303,858.58 is: 419,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,506.26 : 770,735.13 = 303,858.58 : x
  2. Step 2: Convert to fraction form
    558,506.26/770,735.13 = 303,858.58/x
  3. Step 3: Cross multiply
    558,506.26x = 770,735.13 × 303,858.58
  4. Step 4: Simplify right side
    558,506.26x = 234,194,482,157.92
  5. Step 5: Solve for x
    x = 234,194,482,157.92/558,506.26
  6. Step 6: Final answer
    x = 419,322.93

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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.