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Finding the Fourth Proportional to 339,165.09, 468,045.86 and 186,205.86

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Solution

The fourth proportional to 339,165.09, 468,045.86 and 186,205.86 is: 256,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,165.09 : 468,045.86 = 186,205.86 : x
  2. Step 2: Convert to fraction form
    339,165.09/468,045.86 = 186,205.86/x
  3. Step 3: Cross multiply
    339,165.09x = 468,045.86 × 186,205.86
  4. Step 4: Simplify right side
    339,165.09x = 87,152,880,949.71
  5. Step 5: Solve for x
    x = 87,152,880,949.71/339,165.09
  6. Step 6: Final answer
    x = 256,963.01

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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.