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Finding the Fourth Proportional to 339,792.08, 468,903.12 and 186,830.48

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Solution

The fourth proportional to 339,792.08, 468,903.12 and 186,830.48 is: 257,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,792.08 : 468,903.12 = 186,830.48 : x
  2. Step 2: Convert to fraction form
    339,792.08/468,903.12 = 186,830.48/x
  3. Step 3: Cross multiply
    339,792.08x = 468,903.12 × 186,830.48
  4. Step 4: Simplify right side
    339,792.08x = 87,605,394,983.10
  5. Step 5: Solve for x
    x = 87,605,394,983.10/339,792.08
  6. Step 6: Final answer
    x = 257,820.59

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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.