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Finding the Fourth Proportional to 558,059.44, 770,153.52 and 303,405.16

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Solution

The fourth proportional to 558,059.44, 770,153.52 and 303,405.16 is: 418,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,059.44 : 770,153.52 = 303,405.16 : x
  2. Step 2: Convert to fraction form
    558,059.44/770,153.52 = 303,405.16/x
  3. Step 3: Cross multiply
    558,059.44x = 770,153.52 × 303,405.16
  4. Step 4: Simplify right side
    558,059.44x = 233,668,551,960.16
  5. Step 5: Solve for x
    x = 233,668,551,960.16/558,059.44
  6. Step 6: Final answer
    x = 418,716.24

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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.