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Finding the Fourth Proportional to 323,391.06, 446,303.25 and 187,460.10

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Solution

The fourth proportional to 323,391.06, 446,303.25 and 187,460.10 is: 258,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,391.06 : 446,303.25 = 187,460.10 : x
  2. Step 2: Convert to fraction form
    323,391.06/446,303.25 = 187,460.10/x
  3. Step 3: Cross multiply
    323,391.06x = 446,303.25 × 187,460.10
  4. Step 4: Simplify right side
    323,391.06x = 83,664,051,875.33
  5. Step 5: Solve for x
    x = 83,664,051,875.33/323,391.06
  6. Step 6: Final answer
    x = 258,708.61

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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.