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Finding the Fourth Proportional to 443,519.03, 612,165.61 and 252,644.96

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Solution

The fourth proportional to 443,519.03, 612,165.61 and 252,644.96 is: 348,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,519.03 : 612,165.61 = 252,644.96 : x
  2. Step 2: Convert to fraction form
    443,519.03/612,165.61 = 252,644.96/x
  3. Step 3: Cross multiply
    443,519.03x = 612,165.61 × 252,644.96
  4. Step 4: Simplify right side
    443,519.03x = 154,660,556,051.83
  5. Step 5: Solve for x
    x = 154,660,556,051.83/443,519.03
  6. Step 6: Final answer
    x = 348,712.33

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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.