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Finding the Fourth Proportional to 443,597.88, 612,171 and 252,612.08

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Solution

The fourth proportional to 443,597.88, 612,171 and 252,612.08 is: 348,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,597.88 : 612,171 = 252,612.08 : x
  2. Step 2: Convert to fraction form
    443,597.88/612,171 = 252,612.08/x
  3. Step 3: Cross multiply
    443,597.88x = 612,171 × 252,612.08
  4. Step 4: Simplify right side
    443,597.88x = 154,641,789,625.68
  5. Step 5: Solve for x
    x = 154,641,789,625.68/443,597.88
  6. Step 6: Final answer
    x = 348,608.04

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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.