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Finding the Fourth Proportional to 339,605.63, 468,625.28 and 186,642.15

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Solution

The fourth proportional to 339,605.63, 468,625.28 and 186,642.15 is: 257,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,605.63 : 468,625.28 = 186,642.15 : x
  2. Step 2: Convert to fraction form
    339,605.63/468,625.28 = 186,642.15/x
  3. Step 3: Cross multiply
    339,605.63x = 468,625.28 × 186,642.15
  4. Step 4: Simplify right side
    339,605.63x = 87,465,228,870.34
  5. Step 5: Solve for x
    x = 87,465,228,870.34/339,605.63
  6. Step 6: Final answer
    x = 257,549.41

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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.