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Finding the Fourth Proportional to 329,377.49, 454,247.56 and 256,798.25

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Solution

The fourth proportional to 329,377.49, 454,247.56 and 256,798.25 is: 354,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,377.49 : 454,247.56 = 256,798.25 : x
  2. Step 2: Convert to fraction form
    329,377.49/454,247.56 = 256,798.25/x
  3. Step 3: Cross multiply
    329,377.49x = 454,247.56 × 256,798.25
  4. Step 4: Simplify right side
    329,377.49x = 116,649,978,474.77
  5. Step 5: Solve for x
    x = 116,649,978,474.77/329,377.49
  6. Step 6: Final answer
    x = 354,152.86

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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.