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Finding the Fourth Proportional to 297,620.93, 410,712.53 and 161,656.66

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Solution

The fourth proportional to 297,620.93, 410,712.53 and 161,656.66 is: 223,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,620.93 : 410,712.53 = 161,656.66 : x
  2. Step 2: Convert to fraction form
    297,620.93/410,712.53 = 161,656.66/x
  3. Step 3: Cross multiply
    297,620.93x = 410,712.53 × 161,656.66
  4. Step 4: Simplify right side
    297,620.93x = 66,394,415,525.06
  5. Step 5: Solve for x
    x = 66,394,415,525.06/297,620.93
  6. Step 6: Final answer
    x = 223,083.82

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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.