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Finding the Fourth Proportional to 339,466.56, 468,471.69 and 186,514.31

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Solution

The fourth proportional to 339,466.56, 468,471.69 and 186,514.31 is: 257,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,466.56 : 468,471.69 = 186,514.31 : x
  2. Step 2: Convert to fraction form
    339,466.56/468,471.69 = 186,514.31/x
  3. Step 3: Cross multiply
    339,466.56x = 468,471.69 × 186,514.31
  4. Step 4: Simplify right side
    339,466.56x = 87,376,671,672.53
  5. Step 5: Solve for x
    x = 87,376,671,672.53/339,466.56
  6. Step 6: Final answer
    x = 257,394.05

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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.