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Finding the Fourth Proportional to 519,409.98, 779,159.37 and 182,421.27

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Solution

The fourth proportional to 519,409.98, 779,159.37 and 182,421.27 is: 273,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,409.98 : 779,159.37 = 182,421.27 : x
  2. Step 2: Convert to fraction form
    519,409.98/779,159.37 = 182,421.27/x
  3. Step 3: Cross multiply
    519,409.98x = 779,159.37 × 182,421.27
  4. Step 4: Simplify right side
    519,409.98x = 142,135,241,807.80
  5. Step 5: Solve for x
    x = 142,135,241,807.80/519,409.98
  6. Step 6: Final answer
    x = 273,647.50

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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.