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Finding the Fourth Proportional to 367,714.40, 550,496.40 and 274,632.80

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Solution

The fourth proportional to 367,714.40, 550,496.40 and 274,632.80 is: 411,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,714.40 : 550,496.40 = 274,632.80 : x
  2. Step 2: Convert to fraction form
    367,714.40/550,496.40 = 274,632.80/x
  3. Step 3: Cross multiply
    367,714.40x = 550,496.40 × 274,632.80
  4. Step 4: Simplify right side
    367,714.40x = 151,184,367,721.92
  5. Step 5: Solve for x
    x = 151,184,367,721.92/367,714.40
  6. Step 6: Final answer
    x = 411,146.17

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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.