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Finding the Fourth Proportional to 995,392.56, 1,493,708.04 and 404,416.56

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Solution

The fourth proportional to 995,392.56, 1,493,708.04 and 404,416.56 is: 606,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,392.56 : 1,493,708.04 = 404,416.56 : x
  2. Step 2: Convert to fraction form
    995,392.56/1,493,708.04 = 404,416.56/x
  3. Step 3: Cross multiply
    995,392.56x = 1,493,708.04 × 404,416.56
  4. Step 4: Simplify right side
    995,392.56x = 604,080,267,181.14
  5. Step 5: Solve for x
    x = 604,080,267,181.14/995,392.56
  6. Step 6: Final answer
    x = 606,876.41

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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.