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Finding the Fourth Proportional to 323,278.04, 446,121.16 and 187,309.04

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Solution

The fourth proportional to 323,278.04, 446,121.16 and 187,309.04 is: 258,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,278.04 : 446,121.16 = 187,309.04 : x
  2. Step 2: Convert to fraction form
    323,278.04/446,121.16 = 187,309.04/x
  3. Step 3: Cross multiply
    323,278.04x = 446,121.16 × 187,309.04
  4. Step 4: Simplify right side
    323,278.04x = 83,562,526,203.29
  5. Step 5: Solve for x
    x = 83,562,526,203.29/323,278.04
  6. Step 6: Final answer
    x = 258,485.01

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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.