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Finding the Fourth Proportional to 1,997,358.30, 2,996,037.45 and 1,359,629.10

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Solution

The fourth proportional to 1,997,358.30, 2,996,037.45 and 1,359,629.10 is: 2,039,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,358.30 : 2,996,037.45 = 1,359,629.10 : x
  2. Step 2: Convert to fraction form
    1,997,358.30/2,996,037.45 = 1,359,629.10/x
  3. Step 3: Cross multiply
    1,997,358.30x = 2,996,037.45 × 1,359,629.10
  4. Step 4: Simplify right side
    1,997,358.30x = 4,073,499,701,709.80
  5. Step 5: Solve for x
    x = 4,073,499,701,709.80/1,997,358.30
  6. Step 6: Final answer
    x = 2,039,443.65

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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.