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Finding the Fourth Proportional to 294,170.30, 405,820.04 and 173,253.64

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Solution

The fourth proportional to 294,170.30, 405,820.04 and 173,253.64 is: 239,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,170.30 : 405,820.04 = 173,253.64 : x
  2. Step 2: Convert to fraction form
    294,170.30/405,820.04 = 173,253.64/x
  3. Step 3: Cross multiply
    294,170.30x = 405,820.04 × 173,253.64
  4. Step 4: Simplify right side
    294,170.30x = 70,309,797,234.13
  5. Step 5: Solve for x
    x = 70,309,797,234.13/294,170.30
  6. Step 6: Final answer
    x = 239,010.52

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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.