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Finding the Fourth Proportional to 262,333.38, 393,512.38 and 84,854.23

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Solution

The fourth proportional to 262,333.38, 393,512.38 and 84,854.23 is: 127,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,333.38 : 393,512.38 = 84,854.23 : x
  2. Step 2: Convert to fraction form
    262,333.38/393,512.38 = 84,854.23/x
  3. Step 3: Cross multiply
    262,333.38x = 393,512.38 × 84,854.23
  4. Step 4: Simplify right side
    262,333.38x = 33,391,191,017.96
  5. Step 5: Solve for x
    x = 33,391,191,017.96/262,333.38
  6. Step 6: Final answer
    x = 127,285.33

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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.