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Finding the Fourth Proportional to 577,691.84, 797,289 and 323,057.36

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Solution

The fourth proportional to 577,691.84, 797,289 and 323,057.36 is: 445,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,691.84 : 797,289 = 323,057.36 : x
  2. Step 2: Convert to fraction form
    577,691.84/797,289 = 323,057.36/x
  3. Step 3: Cross multiply
    577,691.84x = 797,289 × 323,057.36
  4. Step 4: Simplify right side
    577,691.84x = 257,570,079,497.04
  5. Step 5: Solve for x
    x = 257,570,079,497.04/577,691.84
  6. Step 6: Final answer
    x = 445,860.68

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1.5x scale

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.