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Finding the Fourth Proportional to 2,876,976.04, 4,316,032.55 and 1,055,357.88

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Solution

The fourth proportional to 2,876,976.04, 4,316,032.55 and 1,055,357.88 is: 1,583,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,976.04 : 4,316,032.55 = 1,055,357.88 : x
  2. Step 2: Convert to fraction form
    2,876,976.04/4,316,032.55 = 1,055,357.88/x
  3. Step 3: Cross multiply
    2,876,976.04x = 4,316,032.55 × 1,055,357.88
  4. Step 4: Simplify right side
    2,876,976.04x = 4,554,958,978,170.28
  5. Step 5: Solve for x
    x = 4,554,958,978,170.28/2,876,976.04
  6. Step 6: Final answer
    x = 1,583,245.37

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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.