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Finding the Fourth Proportional to 577,848.77, 797,388 and 323,150.75

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Solution

The fourth proportional to 577,848.77, 797,388 and 323,150.75 is: 445,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,848.77 : 797,388 = 323,150.75 : x
  2. Step 2: Convert to fraction form
    577,848.77/797,388 = 323,150.75/x
  3. Step 3: Cross multiply
    577,848.77x = 797,388 × 323,150.75
  4. Step 4: Simplify right side
    577,848.77x = 257,676,530,241
  5. Step 5: Solve for x
    x = 257,676,530,241/577,848.77
  6. Step 6: Final answer
    x = 445,923.82

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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.