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Finding the Fourth Proportional to 330,472.38, 495,707.55 and 93,815.22

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Solution

The fourth proportional to 330,472.38, 495,707.55 and 93,815.22 is: 140,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,472.38 : 495,707.55 = 93,815.22 : x
  2. Step 2: Convert to fraction form
    330,472.38/495,707.55 = 93,815.22/x
  3. Step 3: Cross multiply
    330,472.38x = 495,707.55 × 93,815.22
  4. Step 4: Simplify right side
    330,472.38x = 46,504,912,858.91
  5. Step 5: Solve for x
    x = 46,504,912,858.91/330,472.38
  6. Step 6: Final answer
    x = 140,722.54

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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.