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Finding the Fourth Proportional to 339,696.48, 468,788.40 and 188,790.24

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Solution

The fourth proportional to 339,696.48, 468,788.40 and 188,790.24 is: 260,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,696.48 : 468,788.40 = 188,790.24 : x
  2. Step 2: Convert to fraction form
    339,696.48/468,788.40 = 188,790.24/x
  3. Step 3: Cross multiply
    339,696.48x = 468,788.40 × 188,790.24
  4. Step 4: Simplify right side
    339,696.48x = 88,502,674,545.22
  5. Step 5: Solve for x
    x = 88,502,674,545.22/339,696.48
  6. Step 6: Final answer
    x = 260,534.56

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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.