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Finding the Fourth Proportional to 329,376.49, 454,246.19 and 256,797.25

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Solution

The fourth proportional to 329,376.49, 454,246.19 and 256,797.25 is: 354,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,376.49 : 454,246.19 = 256,797.25 : x
  2. Step 2: Convert to fraction form
    329,376.49/454,246.19 = 256,797.25/x
  3. Step 3: Cross multiply
    329,376.49x = 454,246.19 × 256,797.25
  4. Step 4: Simplify right side
    329,376.49x = 116,649,171,130.99
  5. Step 5: Solve for x
    x = 116,649,171,130.99/329,376.49
  6. Step 6: Final answer
    x = 354,151.48

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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.