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Finding the Fourth Proportional to 339,823.75, 468,957.32 and 188,920.75

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Solution

The fourth proportional to 339,823.75, 468,957.32 and 188,920.75 is: 260,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,823.75 : 468,957.32 = 188,920.75 : x
  2. Step 2: Convert to fraction form
    339,823.75/468,957.32 = 188,920.75/x
  3. Step 3: Cross multiply
    339,823.75x = 468,957.32 × 188,920.75
  4. Step 4: Simplify right side
    339,823.75x = 88,595,768,612.39
  5. Step 5: Solve for x
    x = 88,595,768,612.39/339,823.75
  6. Step 6: Final answer
    x = 260,710.94

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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.