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Finding the Fourth Proportional to 945,937.60, 1,418,906.40 and 945,937.60

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Solution

The fourth proportional to 945,937.60, 1,418,906.40 and 945,937.60 is: 1,418,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,937.60 : 1,418,906.40 = 945,937.60 : x
  2. Step 2: Convert to fraction form
    945,937.60/1,418,906.40 = 945,937.60/x
  3. Step 3: Cross multiply
    945,937.60x = 1,418,906.40 × 945,937.60
  4. Step 4: Simplify right side
    945,937.60x = 1,342,196,914,640.64
  5. Step 5: Solve for x
    x = 1,342,196,914,640.64/945,937.60
  6. Step 6: Final answer
    x = 1,418,906.40

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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.