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Finding the Fourth Proportional to 519,951.60, 779,927.40 and 296,002.80

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Solution

The fourth proportional to 519,951.60, 779,927.40 and 296,002.80 is: 444,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,951.60 : 779,927.40 = 296,002.80 : x
  2. Step 2: Convert to fraction form
    519,951.60/779,927.40 = 296,002.80/x
  3. Step 3: Cross multiply
    519,951.60x = 779,927.40 × 296,002.80
  4. Step 4: Simplify right side
    519,951.60x = 230,860,694,196.72
  5. Step 5: Solve for x
    x = 230,860,694,196.72/519,951.60
  6. Step 6: Final answer
    x = 444,004.20

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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.