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Finding the Fourth Proportional to 339,450.92, 468,442.45 and 186,498.97

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Solution

The fourth proportional to 339,450.92, 468,442.45 and 186,498.97 is: 257,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,450.92 : 468,442.45 = 186,498.97 : x
  2. Step 2: Convert to fraction form
    339,450.92/468,442.45 = 186,498.97/x
  3. Step 3: Cross multiply
    339,450.92x = 468,442.45 × 186,498.97
  4. Step 4: Simplify right side
    339,450.92x = 87,364,034,429.28
  5. Step 5: Solve for x
    x = 87,364,034,429.28/339,450.92
  6. Step 6: Final answer
    x = 257,368.68

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1.5x scale

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.