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Finding the Fourth Proportional to 339,166.40, 468,051.44 and 211,915.80

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Solution

The fourth proportional to 339,166.40, 468,051.44 and 211,915.80 is: 292,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,166.40 : 468,051.44 = 211,915.80 : x
  2. Step 2: Convert to fraction form
    339,166.40/468,051.44 = 211,915.80/x
  3. Step 3: Cross multiply
    339,166.40x = 468,051.44 × 211,915.80
  4. Step 4: Simplify right side
    339,166.40x = 99,187,495,348.75
  5. Step 5: Solve for x
    x = 99,187,495,348.75/339,166.40
  6. Step 6: Final answer
    x = 292,444.93

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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.