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Finding the Fourth Proportional to 1,946,478.04, 2,685,750.08 and 1,086,906.04

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Solution

The fourth proportional to 1,946,478.04, 2,685,750.08 and 1,086,906.04 is: 1,499,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,478.04 : 2,685,750.08 = 1,086,906.04 : x
  2. Step 2: Convert to fraction form
    1,946,478.04/2,685,750.08 = 1,086,906.04/x
  3. Step 3: Cross multiply
    1,946,478.04x = 2,685,750.08 × 1,086,906.04
  4. Step 4: Simplify right side
    1,946,478.04x = 2,919,157,983,882.48
  5. Step 5: Solve for x
    x = 2,919,157,983,882.48/1,946,478.04
  6. Step 6: Final answer
    x = 1,499,712.78

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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.