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Finding the Fourth Proportional to 451,511.79, 677,304.54 and 226,756.62

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Solution

The fourth proportional to 451,511.79, 677,304.54 and 226,756.62 is: 340,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,511.79 : 677,304.54 = 226,756.62 : x
  2. Step 2: Convert to fraction form
    451,511.79/677,304.54 = 226,756.62/x
  3. Step 3: Cross multiply
    451,511.79x = 677,304.54 × 226,756.62
  4. Step 4: Simplify right side
    451,511.79x = 153,583,288,201.06
  5. Step 5: Solve for x
    x = 153,583,288,201.06/451,511.79
  6. Step 6: Final answer
    x = 340,153.44

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1.5x scale

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.