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Finding the Fourth Proportional to 307,271.46, 424,059.87 and 169,477.38

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Solution

The fourth proportional to 307,271.46, 424,059.87 and 169,477.38 is: 233,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,271.46 : 424,059.87 = 169,477.38 : x
  2. Step 2: Convert to fraction form
    307,271.46/424,059.87 = 169,477.38/x
  3. Step 3: Cross multiply
    307,271.46x = 424,059.87 × 169,477.38
  4. Step 4: Simplify right side
    307,271.46x = 71,868,555,730.74
  5. Step 5: Solve for x
    x = 71,868,555,730.74/307,271.46
  6. Step 6: Final answer
    x = 233,892.71

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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.