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Finding the Fourth Proportional to 293,068.80, 404,431.20 and 158,932.80

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Solution

The fourth proportional to 293,068.80, 404,431.20 and 158,932.80 is: 219,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,068.80 : 404,431.20 = 158,932.80 : x
  2. Step 2: Convert to fraction form
    293,068.80/404,431.20 = 158,932.80/x
  3. Step 3: Cross multiply
    293,068.80x = 404,431.20 × 158,932.80
  4. Step 4: Simplify right side
    293,068.80x = 64,277,383,023.36
  5. Step 5: Solve for x
    x = 64,277,383,023.36/293,068.80
  6. Step 6: Final answer
    x = 219,325.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.