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Finding the Fourth Proportional to 576,908.71, 796,133.98 and 322,259.90

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Solution

The fourth proportional to 576,908.71, 796,133.98 and 322,259.90 is: 444,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,908.71 : 796,133.98 = 322,259.90 : x
  2. Step 2: Convert to fraction form
    576,908.71/796,133.98 = 322,259.90/x
  3. Step 3: Cross multiply
    576,908.71x = 796,133.98 × 322,259.90
  4. Step 4: Simplify right side
    576,908.71x = 256,562,051,995.08
  5. Step 5: Solve for x
    x = 256,562,051,995.08/576,908.71
  6. Step 6: Final answer
    x = 444,718.63

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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.