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Finding the Fourth Proportional to 365,645.34, 548,541.81 and 215,992.98

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Solution

The fourth proportional to 365,645.34, 548,541.81 and 215,992.98 is: 324,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,645.34 : 548,541.81 = 215,992.98 : x
  2. Step 2: Convert to fraction form
    365,645.34/548,541.81 = 215,992.98/x
  3. Step 3: Cross multiply
    365,645.34x = 548,541.81 × 215,992.98
  4. Step 4: Simplify right side
    365,645.34x = 118,481,180,196.49
  5. Step 5: Solve for x
    x = 118,481,180,196.49/365,645.34
  6. Step 6: Final answer
    x = 324,033.06

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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.