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Finding the Fourth Proportional to 433,949.60, 650,827.20 and 285,233.60

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Solution

The fourth proportional to 433,949.60, 650,827.20 and 285,233.60 is: 427,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,949.60 : 650,827.20 = 285,233.60 : x
  2. Step 2: Convert to fraction form
    433,949.60/650,827.20 = 285,233.60/x
  3. Step 3: Cross multiply
    433,949.60x = 650,827.20 × 285,233.60
  4. Step 4: Simplify right side
    433,949.60x = 185,637,785,233.92
  5. Step 5: Solve for x
    x = 185,637,785,233.92/433,949.60
  6. Step 6: Final answer
    x = 427,786.51

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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.