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Finding the Fourth Proportional to 329,312.22, 454,425.75 and 200,232.76

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Solution

The fourth proportional to 329,312.22, 454,425.75 and 200,232.76 is: 276,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,312.22 : 454,425.75 = 200,232.76 : x
  2. Step 2: Convert to fraction form
    329,312.22/454,425.75 = 200,232.76/x
  3. Step 3: Cross multiply
    329,312.22x = 454,425.75 × 200,232.76
  4. Step 4: Simplify right side
    329,312.22x = 90,990,922,137.57
  5. Step 5: Solve for x
    x = 90,990,922,137.57/329,312.22
  6. Step 6: Final answer
    x = 276,305.94

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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.