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Finding the Fourth Proportional to 323,672.90, 446,669.61 and 176,496.64

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Solution

The fourth proportional to 323,672.90, 446,669.61 and 176,496.64 is: 243,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,672.90 : 446,669.61 = 176,496.64 : x
  2. Step 2: Convert to fraction form
    323,672.90/446,669.61 = 176,496.64/x
  3. Step 3: Cross multiply
    323,672.90x = 446,669.61 × 176,496.64
  4. Step 4: Simplify right side
    323,672.90x = 78,835,683,576.57
  5. Step 5: Solve for x
    x = 78,835,683,576.57/323,672.90
  6. Step 6: Final answer
    x = 243,565.91

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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.