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Finding the Fourth Proportional to 519,868.44, 779,796.45 and 164,885.49

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Solution

The fourth proportional to 519,868.44, 779,796.45 and 164,885.49 is: 247,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,868.44 : 779,796.45 = 164,885.49 : x
  2. Step 2: Convert to fraction form
    519,868.44/779,796.45 = 164,885.49/x
  3. Step 3: Cross multiply
    519,868.44x = 779,796.45 × 164,885.49
  4. Step 4: Simplify right side
    519,868.44x = 128,577,119,758.51
  5. Step 5: Solve for x
    x = 128,577,119,758.51/519,868.44
  6. Step 6: Final answer
    x = 247,326.27

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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.