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Finding the Fourth Proportional to 576,664.84, 795,777.78 and 322,009.48

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Solution

The fourth proportional to 576,664.84, 795,777.78 and 322,009.48 is: 444,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,664.84 : 795,777.78 = 322,009.48 : x
  2. Step 2: Convert to fraction form
    576,664.84/795,777.78 = 322,009.48/x
  3. Step 3: Cross multiply
    576,664.84x = 795,777.78 × 322,009.48
  4. Step 4: Simplify right side
    576,664.84x = 256,247,989,133.35
  5. Step 5: Solve for x
    x = 256,247,989,133.35/576,664.84
  6. Step 6: Final answer
    x = 444,362.08

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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.