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Finding the Fourth Proportional to 339,476.60, 468,477.82 and 186,524.58

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Solution

The fourth proportional to 339,476.60, 468,477.82 and 186,524.58 is: 257,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,476.60 : 468,477.82 = 186,524.58 : x
  2. Step 2: Convert to fraction form
    339,476.60/468,477.82 = 186,524.58/x
  3. Step 3: Cross multiply
    339,476.60x = 468,477.82 × 186,524.58
  4. Step 4: Simplify right side
    339,476.60x = 87,382,628,614.82
  5. Step 5: Solve for x
    x = 87,382,628,614.82/339,476.60
  6. Step 6: Final answer
    x = 257,403.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.