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Finding the Fourth Proportional to 578,489.24, 798,309.06 and 323,842.52

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Solution

The fourth proportional to 578,489.24, 798,309.06 and 323,842.52 is: 446,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,489.24 : 798,309.06 = 323,842.52 : x
  2. Step 2: Convert to fraction form
    578,489.24/798,309.06 = 323,842.52/x
  3. Step 3: Cross multiply
    578,489.24x = 798,309.06 × 323,842.52
  4. Step 4: Simplify right side
    578,489.24x = 258,526,417,729.23
  5. Step 5: Solve for x
    x = 258,526,417,729.23/578,489.24
  6. Step 6: Final answer
    x = 446,899.27

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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.