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Finding the Fourth Proportional to 323,359.22, 446,235.72 and 187,472

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Solution

The fourth proportional to 323,359.22, 446,235.72 and 187,472 is: 258,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,359.22 : 446,235.72 = 187,472 : x
  2. Step 2: Convert to fraction form
    323,359.22/446,235.72 = 187,472/x
  3. Step 3: Cross multiply
    323,359.22x = 446,235.72 × 187,472
  4. Step 4: Simplify right side
    323,359.22x = 83,656,702,899.84
  5. Step 5: Solve for x
    x = 83,656,702,899.84/323,359.22
  6. Step 6: Final answer
    x = 258,711.36

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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.