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Finding the Fourth Proportional to 1,842,250.80, 2,760,751.80 and 1,358,705.10

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Solution

The fourth proportional to 1,842,250.80, 2,760,751.80 and 1,358,705.10 is: 2,036,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,250.80 : 2,760,751.80 = 1,358,705.10 : x
  2. Step 2: Convert to fraction form
    1,842,250.80/2,760,751.80 = 1,358,705.10/x
  3. Step 3: Cross multiply
    1,842,250.80x = 2,760,751.80 × 1,358,705.10
  4. Step 4: Simplify right side
    1,842,250.80x = 3,751,047,550,494.18
  5. Step 5: Solve for x
    x = 3,751,047,550,494.18/1,842,250.80
  6. Step 6: Final answer
    x = 2,036,122.09

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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.