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Finding the Fourth Proportional to 322,450.02, 483,674.37 and 85,792.68

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Solution

The fourth proportional to 322,450.02, 483,674.37 and 85,792.68 is: 128,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,450.02 : 483,674.37 = 85,792.68 : x
  2. Step 2: Convert to fraction form
    322,450.02/483,674.37 = 85,792.68/x
  3. Step 3: Cross multiply
    322,450.02x = 483,674.37 × 85,792.68
  4. Step 4: Simplify right side
    322,450.02x = 41,495,720,449.61
  5. Step 5: Solve for x
    x = 41,495,720,449.61/322,450.02
  6. Step 6: Final answer
    x = 128,688.84

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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.