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Finding the Fourth Proportional to 339,521.57, 468,539.65 and 186,569.61

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Solution

The fourth proportional to 339,521.57, 468,539.65 and 186,569.61 is: 257,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,521.57 : 468,539.65 = 186,569.61 : x
  2. Step 2: Convert to fraction form
    339,521.57/468,539.65 = 186,569.61/x
  3. Step 3: Cross multiply
    339,521.57x = 468,539.65 × 186,569.61
  4. Step 4: Simplify right side
    339,521.57x = 87,415,259,770.04
  5. Step 5: Solve for x
    x = 87,415,259,770.04/339,521.57
  6. Step 6: Final answer
    x = 257,466.00

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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.