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Finding the Fourth Proportional to 297,136.80, 410,076.78 and 169,787.64

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Solution

The fourth proportional to 297,136.80, 410,076.78 and 169,787.64 is: 234,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,136.80 : 410,076.78 = 169,787.64 : x
  2. Step 2: Convert to fraction form
    297,136.80/410,076.78 = 169,787.64/x
  3. Step 3: Cross multiply
    297,136.80x = 410,076.78 × 169,787.64
  4. Step 4: Simplify right side
    297,136.80x = 69,625,968,695.00
  5. Step 5: Solve for x
    x = 69,625,968,695.00/297,136.80
  6. Step 6: Final answer
    x = 234,322.94

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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.