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Finding the Fourth Proportional to 787,951.56, 1,181,953.26 and 255,477

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Solution

The fourth proportional to 787,951.56, 1,181,953.26 and 255,477 is: 383,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,951.56 : 1,181,953.26 = 255,477 : x
  2. Step 2: Convert to fraction form
    787,951.56/1,181,953.26 = 255,477/x
  3. Step 3: Cross multiply
    787,951.56x = 1,181,953.26 × 255,477
  4. Step 4: Simplify right side
    787,951.56x = 301,961,873,005.02
  5. Step 5: Solve for x
    x = 301,961,873,005.02/787,951.56
  6. Step 6: Final answer
    x = 383,223.90

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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.