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Finding the Fourth Proportional to 293,884.82, 400,135.40 and 292,951.70

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Solution

The fourth proportional to 293,884.82, 400,135.40 and 292,951.70 is: 398,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,884.82 : 400,135.40 = 292,951.70 : x
  2. Step 2: Convert to fraction form
    293,884.82/400,135.40 = 292,951.70/x
  3. Step 3: Cross multiply
    293,884.82x = 400,135.40 × 292,951.70
  4. Step 4: Simplify right side
    293,884.82x = 117,220,345,660.18
  5. Step 5: Solve for x
    x = 117,220,345,660.18/293,884.82
  6. Step 6: Final answer
    x = 398,864.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.