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Finding the Fourth Proportional to 577,983.25, 797,598.79 and 319,844.62

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Solution

The fourth proportional to 577,983.25, 797,598.79 and 319,844.62 is: 441,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,983.25 : 797,598.79 = 319,844.62 : x
  2. Step 2: Convert to fraction form
    577,983.25/797,598.79 = 319,844.62/x
  3. Step 3: Cross multiply
    577,983.25x = 797,598.79 × 319,844.62
  4. Step 4: Simplify right side
    577,983.25x = 255,107,681,900.01
  5. Step 5: Solve for x
    x = 255,107,681,900.01/577,983.25
  6. Step 6: Final answer
    x = 441,375.56

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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.