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Finding the Fourth Proportional to 1,843,061.70, 2,764,592.55 and 1,045,900.20

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Solution

The fourth proportional to 1,843,061.70, 2,764,592.55 and 1,045,900.20 is: 1,568,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,061.70 : 2,764,592.55 = 1,045,900.20 : x
  2. Step 2: Convert to fraction form
    1,843,061.70/2,764,592.55 = 1,045,900.20/x
  3. Step 3: Cross multiply
    1,843,061.70x = 2,764,592.55 × 1,045,900.20
  4. Step 4: Simplify right side
    1,843,061.70x = 2,891,487,900,963.51
  5. Step 5: Solve for x
    x = 2,891,487,900,963.51/1,843,061.70
  6. Step 6: Final answer
    x = 1,568,850.30

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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.