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Finding the Fourth Proportional to 339,360.71, 468,321.62 and 186,402.48

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Solution

The fourth proportional to 339,360.71, 468,321.62 and 186,402.48 is: 257,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,360.71 : 468,321.62 = 186,402.48 : x
  2. Step 2: Convert to fraction form
    339,360.71/468,321.62 = 186,402.48/x
  3. Step 3: Cross multiply
    339,360.71x = 468,321.62 × 186,402.48
  4. Step 4: Simplify right side
    339,360.71x = 87,296,310,473.61
  5. Step 5: Solve for x
    x = 87,296,310,473.61/339,360.71
  6. Step 6: Final answer
    x = 257,237.53

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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.