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Finding the Fourth Proportional to 255,838.64, 352,915.58 and 179,471.43

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Solution

The fourth proportional to 255,838.64, 352,915.58 and 179,471.43 is: 247,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,838.64 : 352,915.58 = 179,471.43 : x
  2. Step 2: Convert to fraction form
    255,838.64/352,915.58 = 179,471.43/x
  3. Step 3: Cross multiply
    255,838.64x = 352,915.58 × 179,471.43
  4. Step 4: Simplify right side
    255,838.64x = 63,338,264,260.56
  5. Step 5: Solve for x
    x = 63,338,264,260.56/255,838.64
  6. Step 6: Final answer
    x = 247,571.15

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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.