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Finding the Fourth Proportional to 443,782.08, 612,348.48 and 252,799.20

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Solution

The fourth proportional to 443,782.08, 612,348.48 and 252,799.20 is: 348,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,782.08 : 612,348.48 = 252,799.20 : x
  2. Step 2: Convert to fraction form
    443,782.08/612,348.48 = 252,799.20/x
  3. Step 3: Cross multiply
    443,782.08x = 612,348.48 × 252,799.20
  4. Step 4: Simplify right side
    443,782.08x = 154,801,205,865.22
  5. Step 5: Solve for x
    x = 154,801,205,865.22/443,782.08
  6. Step 6: Final answer
    x = 348,822.57

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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.