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Finding the Fourth Proportional to 3,946,528.84, 5,919,793.26 and 954,712.84

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Solution

The fourth proportional to 3,946,528.84, 5,919,793.26 and 954,712.84 is: 1,432,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,528.84 : 5,919,793.26 = 954,712.84 : x
  2. Step 2: Convert to fraction form
    3,946,528.84/5,919,793.26 = 954,712.84/x
  3. Step 3: Cross multiply
    3,946,528.84x = 5,919,793.26 × 954,712.84
  4. Step 4: Simplify right side
    3,946,528.84x = 5,651,702,601,094.93
  5. Step 5: Solve for x
    x = 5,651,702,601,094.93/3,946,528.84
  6. Step 6: Final answer
    x = 1,432,069.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.