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Finding the Fourth Proportional to 323,729.41, 446,779.25 and 187,804.93

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Solution

The fourth proportional to 323,729.41, 446,779.25 and 187,804.93 is: 259,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,729.41 : 446,779.25 = 187,804.93 : x
  2. Step 2: Convert to fraction form
    323,729.41/446,779.25 = 187,804.93/x
  3. Step 3: Cross multiply
    323,729.41x = 446,779.25 × 187,804.93
  4. Step 4: Simplify right side
    323,729.41x = 83,907,345,771.70
  5. Step 5: Solve for x
    x = 83,907,345,771.70/323,729.41
  6. Step 6: Final answer
    x = 259,189.75

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1.5x scale

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.