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Finding the Fourth Proportional to 450,219.34, 675,328.65 and 180,469.36

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Solution

The fourth proportional to 450,219.34, 675,328.65 and 180,469.36 is: 270,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,219.34 : 675,328.65 = 180,469.36 : x
  2. Step 2: Convert to fraction form
    450,219.34/675,328.65 = 180,469.36/x
  3. Step 3: Cross multiply
    450,219.34x = 675,328.65 × 180,469.36
  4. Step 4: Simplify right side
    450,219.34x = 121,876,129,255.16
  5. Step 5: Solve for x
    x = 121,876,129,255.16/450,219.34
  6. Step 6: Final answer
    x = 270,703.90

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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.