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Finding the Fourth Proportional to 339,711.84, 468,798.96 and 188,805.60

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Solution

The fourth proportional to 339,711.84, 468,798.96 and 188,805.60 is: 260,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,711.84 : 468,798.96 = 188,805.60 : x
  2. Step 2: Convert to fraction form
    339,711.84/468,798.96 = 188,805.60/x
  3. Step 3: Cross multiply
    339,711.84x = 468,798.96 × 188,805.60
  4. Step 4: Simplify right side
    339,711.84x = 88,511,868,922.18
  5. Step 5: Solve for x
    x = 88,511,868,922.18/339,711.84
  6. Step 6: Final answer
    x = 260,549.85

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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.