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Finding the Fourth Proportional to 1,055,982.80, 1,582,807.80 and 583,007.60

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Solution

The fourth proportional to 1,055,982.80, 1,582,807.80 and 583,007.60 is: 873,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,982.80 : 1,582,807.80 = 583,007.60 : x
  2. Step 2: Convert to fraction form
    1,055,982.80/1,582,807.80 = 583,007.60/x
  3. Step 3: Cross multiply
    1,055,982.80x = 1,582,807.80 × 583,007.60
  4. Step 4: Simplify right side
    1,055,982.80x = 922,788,976,739.28
  5. Step 5: Solve for x
    x = 922,788,976,739.28/1,055,982.80
  6. Step 6: Final answer
    x = 873,867.43

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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.