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Finding the Fourth Proportional to 1,832,836.80, 2,749,946.40 and 887,044.80

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Solution

The fourth proportional to 1,832,836.80, 2,749,946.40 and 887,044.80 is: 1,330,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,836.80 : 2,749,946.40 = 887,044.80 : x
  2. Step 2: Convert to fraction form
    1,832,836.80/2,749,946.40 = 887,044.80/x
  3. Step 3: Cross multiply
    1,832,836.80x = 2,749,946.40 × 887,044.80
  4. Step 4: Simplify right side
    1,832,836.80x = 2,439,325,654,398.72
  5. Step 5: Solve for x
    x = 2,439,325,654,398.72/1,832,836.80
  6. Step 6: Final answer
    x = 1,330,901.72

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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.