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Finding the Fourth Proportional to 576,736.56, 790,115.92 and 555,173.33

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Solution

The fourth proportional to 576,736.56, 790,115.92 and 555,173.33 is: 760,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,736.56 : 790,115.92 = 555,173.33 : x
  2. Step 2: Convert to fraction form
    576,736.56/790,115.92 = 555,173.33/x
  3. Step 3: Cross multiply
    576,736.56x = 790,115.92 × 555,173.33
  4. Step 4: Simplify right side
    576,736.56x = 438,651,281,053.90
  5. Step 5: Solve for x
    x = 438,651,281,053.90/576,736.56
  6. Step 6: Final answer
    x = 760,574.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.