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Finding the Fourth Proportional to 2,080,338.30, 2,920,871.70 and 2,080,338.30

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Solution

The fourth proportional to 2,080,338.30, 2,920,871.70 and 2,080,338.30 is: 2,920,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,338.30 : 2,920,871.70 = 2,080,338.30 : x
  2. Step 2: Convert to fraction form
    2,080,338.30/2,920,871.70 = 2,080,338.30/x
  3. Step 3: Cross multiply
    2,080,338.30x = 2,920,871.70 × 2,080,338.30
  4. Step 4: Simplify right side
    2,080,338.30x = 6,076,401,266,896.11
  5. Step 5: Solve for x
    x = 6,076,401,266,896.11/2,080,338.30
  6. Step 6: Final answer
    x = 2,920,871.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.