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Finding the Fourth Proportional to 323,174.72, 445,984.18 and 179,937.84

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Solution

The fourth proportional to 323,174.72, 445,984.18 and 179,937.84 is: 248,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,174.72 : 445,984.18 = 179,937.84 : x
  2. Step 2: Convert to fraction form
    323,174.72/445,984.18 = 179,937.84/x
  3. Step 3: Cross multiply
    323,174.72x = 445,984.18 × 179,937.84
  4. Step 4: Simplify right side
    323,174.72x = 80,249,430,023.37
  5. Step 5: Solve for x
    x = 80,249,430,023.37/323,174.72
  6. Step 6: Final answer
    x = 248,315.93

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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.