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Finding the Fourth Proportional to 339,555.06, 468,562.95 and 186,603.94

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Solution

The fourth proportional to 339,555.06, 468,562.95 and 186,603.94 is: 257,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,555.06 : 468,562.95 = 186,603.94 : x
  2. Step 2: Convert to fraction form
    339,555.06/468,562.95 = 186,603.94/x
  3. Step 3: Cross multiply
    339,555.06x = 468,562.95 × 186,603.94
  4. Step 4: Simplify right side
    339,555.06x = 87,435,692,608.02
  5. Step 5: Solve for x
    x = 87,435,692,608.02/339,555.06
  6. Step 6: Final answer
    x = 257,500.78

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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.