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Finding the Fourth Proportional to 1,946,472.02, 2,685,741.80 and 1,086,900.02

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Solution

The fourth proportional to 1,946,472.02, 2,685,741.80 and 1,086,900.02 is: 1,499,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,472.02 : 2,685,741.80 = 1,086,900.02 : x
  2. Step 2: Convert to fraction form
    1,946,472.02/2,685,741.80 = 1,086,900.02/x
  3. Step 3: Cross multiply
    1,946,472.02x = 2,685,741.80 × 1,086,900.02
  4. Step 4: Simplify right side
    1,946,472.02x = 2,919,132,816,134.84
  5. Step 5: Solve for x
    x = 2,919,132,816,134.84/1,946,472.02
  6. Step 6: Final answer
    x = 1,499,704.48

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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.