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Finding the Fourth Proportional to 339,347.08, 468,304.60 and 186,399.42

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Solution

The fourth proportional to 339,347.08, 468,304.60 and 186,399.42 is: 257,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,347.08 : 468,304.60 = 186,399.42 : x
  2. Step 2: Convert to fraction form
    339,347.08/468,304.60 = 186,399.42/x
  3. Step 3: Cross multiply
    339,347.08x = 468,304.60 × 186,399.42
  4. Step 4: Simplify right side
    339,347.08x = 87,291,705,823.33
  5. Step 5: Solve for x
    x = 87,291,705,823.33/339,347.08
  6. Step 6: Final answer
    x = 257,234.29

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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.