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Finding the Fourth Proportional to 519,498.40, 779,053.20 and 182,408.80

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Solution

The fourth proportional to 519,498.40, 779,053.20 and 182,408.80 is: 273,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,498.40 : 779,053.20 = 182,408.80 : x
  2. Step 2: Convert to fraction form
    519,498.40/779,053.20 = 182,408.80/x
  3. Step 3: Cross multiply
    519,498.40x = 779,053.20 × 182,408.80
  4. Step 4: Simplify right side
    519,498.40x = 142,106,159,348.16
  5. Step 5: Solve for x
    x = 142,106,159,348.16/519,498.40
  6. Step 6: Final answer
    x = 273,544.94

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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.