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Finding the Fourth Proportional to 575,797.88, 794,602.20 and 321,165.56

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Solution

The fourth proportional to 575,797.88, 794,602.20 and 321,165.56 is: 443,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,797.88 : 794,602.20 = 321,165.56 : x
  2. Step 2: Convert to fraction form
    575,797.88/794,602.20 = 321,165.56/x
  3. Step 3: Cross multiply
    575,797.88x = 794,602.20 × 321,165.56
  4. Step 4: Simplify right side
    575,797.88x = 255,198,860,540.23
  5. Step 5: Solve for x
    x = 255,198,860,540.23/575,797.88
  6. Step 6: Final answer
    x = 443,209.10

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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.