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Finding the Fourth Proportional to 294,793.72, 406,826.22 and 167,490.88

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Solution

The fourth proportional to 294,793.72, 406,826.22 and 167,490.88 is: 231,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,793.72 : 406,826.22 = 167,490.88 : x
  2. Step 2: Convert to fraction form
    294,793.72/406,826.22 = 167,490.88/x
  3. Step 3: Cross multiply
    294,793.72x = 406,826.22 × 167,490.88
  4. Step 4: Simplify right side
    294,793.72x = 68,139,681,594.87
  5. Step 5: Solve for x
    x = 68,139,681,594.87/294,793.72
  6. Step 6: Final answer
    x = 231,143.60

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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.