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Finding the Fourth Proportional to 293,886.96, 404,844.12 and 213,077.04

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Solution

The fourth proportional to 293,886.96, 404,844.12 and 213,077.04 is: 293,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,886.96 : 404,844.12 = 213,077.04 : x
  2. Step 2: Convert to fraction form
    293,886.96/404,844.12 = 213,077.04/x
  3. Step 3: Cross multiply
    293,886.96x = 404,844.12 × 213,077.04
  4. Step 4: Simplify right side
    293,886.96x = 86,262,986,751.00
  5. Step 5: Solve for x
    x = 86,262,986,751.00/293,886.96
  6. Step 6: Final answer
    x = 293,524.38

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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.