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Finding the Fourth Proportional to 330,288.81, 495,433.21 and 93,633.54

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Solution

The fourth proportional to 330,288.81, 495,433.21 and 93,633.54 is: 140,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,288.81 : 495,433.21 = 93,633.54 : x
  2. Step 2: Convert to fraction form
    330,288.81/495,433.21 = 93,633.54/x
  3. Step 3: Cross multiply
    330,288.81x = 495,433.21 × 93,633.54
  4. Step 4: Simplify right side
    330,288.81x = 46,389,163,369.47
  5. Step 5: Solve for x
    x = 46,389,163,369.47/330,288.81
  6. Step 6: Final answer
    x = 140,450.30

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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.