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Finding the Fourth Proportional to 339,572.60, 468,618.58 and 186,609.64

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Solution

The fourth proportional to 339,572.60, 468,618.58 and 186,609.64 is: 257,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,572.60 : 468,618.58 = 186,609.64 : x
  2. Step 2: Convert to fraction form
    339,572.60/468,618.58 = 186,609.64/x
  3. Step 3: Cross multiply
    339,572.60x = 468,618.58 × 186,609.64
  4. Step 4: Simplify right side
    339,572.60x = 87,448,744,511.11
  5. Step 5: Solve for x
    x = 87,448,744,511.11/339,572.60
  6. Step 6: Final answer
    x = 257,525.91

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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.