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Finding the Fourth Proportional to 451,830.08, 623,600.32 and 250,690.88

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Solution

The fourth proportional to 451,830.08, 623,600.32 and 250,690.88 is: 345,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,830.08 : 623,600.32 = 250,690.88 : x
  2. Step 2: Convert to fraction form
    451,830.08/623,600.32 = 250,690.88/x
  3. Step 3: Cross multiply
    451,830.08x = 623,600.32 × 250,690.88
  4. Step 4: Simplify right side
    451,830.08x = 156,330,912,989.08
  5. Step 5: Solve for x
    x = 156,330,912,989.08/451,830.08
  6. Step 6: Final answer
    x = 345,994.92

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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.