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Finding the Fourth Proportional to 451,363.08, 622,893.32 and 324,276.52

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Solution

The fourth proportional to 451,363.08, 622,893.32 and 324,276.52 is: 447,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,363.08 : 622,893.32 = 324,276.52 : x
  2. Step 2: Convert to fraction form
    451,363.08/622,893.32 = 324,276.52/x
  3. Step 3: Cross multiply
    451,363.08x = 622,893.32 × 324,276.52
  4. Step 4: Simplify right side
    451,363.08x = 201,989,678,140.85
  5. Step 5: Solve for x
    x = 201,989,678,140.85/451,363.08
  6. Step 6: Final answer
    x = 447,510.41

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1.5x scale

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.