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Finding the Fourth Proportional to 334,799.84, 461,951.89 and 198,879.60

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Solution

The fourth proportional to 334,799.84, 461,951.89 and 198,879.60 is: 274,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,799.84 : 461,951.89 = 198,879.60 : x
  2. Step 2: Convert to fraction form
    334,799.84/461,951.89 = 198,879.60/x
  3. Step 3: Cross multiply
    334,799.84x = 461,951.89 × 198,879.60
  4. Step 4: Simplify right side
    334,799.84x = 91,872,806,605.25
  5. Step 5: Solve for x
    x = 91,872,806,605.25/334,799.84
  6. Step 6: Final answer
    x = 274,411.15

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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.