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Finding the Fourth Proportional to 1,888,232.04, 2,605,727.30 and 1,028,798.54

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Solution

The fourth proportional to 1,888,232.04, 2,605,727.30 and 1,028,798.54 is: 1,419,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,232.04 : 2,605,727.30 = 1,028,798.54 : x
  2. Step 2: Convert to fraction form
    1,888,232.04/2,605,727.30 = 1,028,798.54/x
  3. Step 3: Cross multiply
    1,888,232.04x = 2,605,727.30 × 1,028,798.54
  4. Step 4: Simplify right side
    1,888,232.04x = 2,680,768,441,878.14
  5. Step 5: Solve for x
    x = 2,680,768,441,878.14/1,888,232.04
  6. Step 6: Final answer
    x = 1,419,724.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.