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Finding the Fourth Proportional to 329,454.72, 454,144.32 and 201,893.76

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Solution

The fourth proportional to 329,454.72, 454,144.32 and 201,893.76 is: 278,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,454.72 : 454,144.32 = 201,893.76 : x
  2. Step 2: Convert to fraction form
    329,454.72/454,144.32 = 201,893.76/x
  3. Step 3: Cross multiply
    329,454.72x = 454,144.32 × 201,893.76
  4. Step 4: Simplify right side
    329,454.72x = 91,688,904,347.44
  5. Step 5: Solve for x
    x = 91,688,904,347.44/329,454.72
  6. Step 6: Final answer
    x = 278,305.03

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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.