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Finding the Fourth Proportional to 496,109.80, 744,261.90 and 211,799.80

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Solution

The fourth proportional to 496,109.80, 744,261.90 and 211,799.80 is: 317,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,109.80 : 744,261.90 = 211,799.80 : x
  2. Step 2: Convert to fraction form
    496,109.80/744,261.90 = 211,799.80/x
  3. Step 3: Cross multiply
    496,109.80x = 744,261.90 × 211,799.80
  4. Step 4: Simplify right side
    496,109.80x = 157,634,521,567.62
  5. Step 5: Solve for x
    x = 157,634,521,567.62/496,109.80
  6. Step 6: Final answer
    x = 317,741.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.