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Finding the Fourth Proportional to 534,450.45, 801,728.46 and 155,374.68

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Solution

The fourth proportional to 534,450.45, 801,728.46 and 155,374.68 is: 233,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,450.45 : 801,728.46 = 155,374.68 : x
  2. Step 2: Convert to fraction form
    534,450.45/801,728.46 = 155,374.68/x
  3. Step 3: Cross multiply
    534,450.45x = 801,728.46 × 155,374.68
  4. Step 4: Simplify right side
    534,450.45x = 124,568,302,919.39
  5. Step 5: Solve for x
    x = 124,568,302,919.39/534,450.45
  6. Step 6: Final answer
    x = 233,077.37

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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.