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Finding the Fourth Proportional to 443,098.88, 611,511.36 and 252,120.32

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Solution

The fourth proportional to 443,098.88, 611,511.36 and 252,120.32 is: 347,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,098.88 : 611,511.36 = 252,120.32 : x
  2. Step 2: Convert to fraction form
    443,098.88/611,511.36 = 252,120.32/x
  3. Step 3: Cross multiply
    443,098.88x = 611,511.36 × 252,120.32
  4. Step 4: Simplify right side
    443,098.88x = 154,174,439,766.84
  5. Step 5: Solve for x
    x = 154,174,439,766.84/443,098.88
  6. Step 6: Final answer
    x = 347,945.90

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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.