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Finding the Fourth Proportional to 519,395.94, 779,122.26 and 164,383.47

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Solution

The fourth proportional to 519,395.94, 779,122.26 and 164,383.47 is: 246,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,395.94 : 779,122.26 = 164,383.47 : x
  2. Step 2: Convert to fraction form
    519,395.94/779,122.26 = 164,383.47/x
  3. Step 3: Cross multiply
    519,395.94x = 779,122.26 × 164,383.47
  4. Step 4: Simplify right side
    519,395.94x = 128,074,820,653.04
  5. Step 5: Solve for x
    x = 128,074,820,653.04/519,395.94
  6. Step 6: Final answer
    x = 246,584.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.