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Finding the Fourth Proportional to 451,825.64, 623,509.86 and 250,619.88

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Solution

The fourth proportional to 451,825.64, 623,509.86 and 250,619.88 is: 345,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,825.64 : 623,509.86 = 250,619.88 : x
  2. Step 2: Convert to fraction form
    451,825.64/623,509.86 = 250,619.88/x
  3. Step 3: Cross multiply
    451,825.64x = 623,509.86 × 250,619.88
  4. Step 4: Simplify right side
    451,825.64x = 156,263,966,292.02
  5. Step 5: Solve for x
    x = 156,263,966,292.02/451,825.64
  6. Step 6: Final answer
    x = 345,850.15

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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.