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Finding the Fourth Proportional to 484,505.55, 668,625.44 and 269,654.67

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Solution

The fourth proportional to 484,505.55, 668,625.44 and 269,654.67 is: 372,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,505.55 : 668,625.44 = 269,654.67 : x
  2. Step 2: Convert to fraction form
    484,505.55/668,625.44 = 269,654.67/x
  3. Step 3: Cross multiply
    484,505.55x = 668,625.44 × 269,654.67
  4. Step 4: Simplify right side
    484,505.55x = 180,297,971,028.53
  5. Step 5: Solve for x
    x = 180,297,971,028.53/484,505.55
  6. Step 6: Final answer
    x = 372,127.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.