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Finding the Fourth Proportional to 339,702.68, 468,795.56 and 186,747.32

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Solution

The fourth proportional to 339,702.68, 468,795.56 and 186,747.32 is: 257,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,702.68 : 468,795.56 = 186,747.32 : x
  2. Step 2: Convert to fraction form
    339,702.68/468,795.56 = 186,747.32/x
  3. Step 3: Cross multiply
    339,702.68x = 468,795.56 × 186,747.32
  4. Step 4: Simplify right side
    339,702.68x = 87,546,314,457.90
  5. Step 5: Solve for x
    x = 87,546,314,457.90/339,702.68
  6. Step 6: Final answer
    x = 257,714.52

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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.