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Finding the Fourth Proportional to 367,068.20, 550,602.30 and 255,093.80

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Solution

The fourth proportional to 367,068.20, 550,602.30 and 255,093.80 is: 382,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,068.20 : 550,602.30 = 255,093.80 : x
  2. Step 2: Convert to fraction form
    367,068.20/550,602.30 = 255,093.80/x
  3. Step 3: Cross multiply
    367,068.20x = 550,602.30 × 255,093.80
  4. Step 4: Simplify right side
    367,068.20x = 140,455,232,995.74
  5. Step 5: Solve for x
    x = 140,455,232,995.74/367,068.20
  6. Step 6: Final answer
    x = 382,640.70

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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.