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Finding the Fourth Proportional to 451,994.12, 623,706.46 and 270,701.40

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Solution

The fourth proportional to 451,994.12, 623,706.46 and 270,701.40 is: 373,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,994.12 : 623,706.46 = 270,701.40 : x
  2. Step 2: Convert to fraction form
    451,994.12/623,706.46 = 270,701.40/x
  3. Step 3: Cross multiply
    451,994.12x = 623,706.46 × 270,701.40
  4. Step 4: Simplify right side
    451,994.12x = 168,838,211,911.04
  5. Step 5: Solve for x
    x = 168,838,211,911.04/451,994.12
  6. Step 6: Final answer
    x = 373,540.73

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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.