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Finding the Fourth Proportional to 254,441.70, 381,662.55 and 232,790.40

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Solution

The fourth proportional to 254,441.70, 381,662.55 and 232,790.40 is: 349,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,441.70 : 381,662.55 = 232,790.40 : x
  2. Step 2: Convert to fraction form
    254,441.70/381,662.55 = 232,790.40/x
  3. Step 3: Cross multiply
    254,441.70x = 381,662.55 × 232,790.40
  4. Step 4: Simplify right side
    254,441.70x = 88,847,377,679.52
  5. Step 5: Solve for x
    x = 88,847,377,679.52/254,441.70
  6. Step 6: Final answer
    x = 349,185.60

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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.