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Finding the Fourth Proportional to 519,577.40, 779,171.70 and 182,487.80

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Solution

The fourth proportional to 519,577.40, 779,171.70 and 182,487.80 is: 273,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,577.40 : 779,171.70 = 182,487.80 : x
  2. Step 2: Convert to fraction form
    519,577.40/779,171.70 = 182,487.80/x
  3. Step 3: Cross multiply
    519,577.40x = 779,171.70 × 182,487.80
  4. Step 4: Simplify right side
    519,577.40x = 142,189,329,355.26
  5. Step 5: Solve for x
    x = 142,189,329,355.26/519,577.40
  6. Step 6: Final answer
    x = 273,663.42

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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.