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Finding the Fourth Proportional to 323,990.94, 486,203.33 and 134,451.50

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Solution

The fourth proportional to 323,990.94, 486,203.33 and 134,451.50 is: 201,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,990.94 : 486,203.33 = 134,451.50 : x
  2. Step 2: Convert to fraction form
    323,990.94/486,203.33 = 134,451.50/x
  3. Step 3: Cross multiply
    323,990.94x = 486,203.33 × 134,451.50
  4. Step 4: Simplify right side
    323,990.94x = 65,370,767,023.50
  5. Step 5: Solve for x
    x = 65,370,767,023.50/323,990.94
  6. Step 6: Final answer
    x = 201,767.27

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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.