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Finding the Fourth Proportional to 367,627.45, 551,441.18 and 274,315.45

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Solution

The fourth proportional to 367,627.45, 551,441.18 and 274,315.45 is: 411,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,627.45 : 551,441.18 = 274,315.45 : x
  2. Step 2: Convert to fraction form
    367,627.45/551,441.18 = 274,315.45/x
  3. Step 3: Cross multiply
    367,627.45x = 551,441.18 × 274,315.45
  4. Step 4: Simplify right side
    367,627.45x = 151,268,835,440.23
  5. Step 5: Solve for x
    x = 151,268,835,440.23/367,627.45
  6. Step 6: Final answer
    x = 411,473.18

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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.