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Finding the Fourth Proportional to 522,662.82, 783,994.36 and 148,685.82

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Solution

The fourth proportional to 522,662.82, 783,994.36 and 148,685.82 is: 223,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,662.82 : 783,994.36 = 148,685.82 : x
  2. Step 2: Convert to fraction form
    522,662.82/783,994.36 = 148,685.82/x
  3. Step 3: Cross multiply
    522,662.82x = 783,994.36 × 148,685.82
  4. Step 4: Simplify right side
    522,662.82x = 116,568,840,372.00
  5. Step 5: Solve for x
    x = 116,568,840,372.00/522,662.82
  6. Step 6: Final answer
    x = 223,028.76

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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.