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Finding the Fourth Proportional to 577,690.84, 797,287.62 and 323,056.36

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Solution

The fourth proportional to 577,690.84, 797,287.62 and 323,056.36 is: 445,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,690.84 : 797,287.62 = 323,056.36 : x
  2. Step 2: Convert to fraction form
    577,690.84/797,287.62 = 323,056.36/x
  3. Step 3: Cross multiply
    577,690.84x = 797,287.62 × 323,056.36
  4. Step 4: Simplify right side
    577,690.84x = 257,568,836,390.26
  5. Step 5: Solve for x
    x = 257,568,836,390.26/577,690.84
  6. Step 6: Final answer
    x = 445,859.30

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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.