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Finding the Fourth Proportional to 411,843.29, 568,050.80 and 377,961.20

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Solution

The fourth proportional to 411,843.29, 568,050.80 and 377,961.20 is: 521,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,843.29 : 568,050.80 = 377,961.20 : x
  2. Step 2: Convert to fraction form
    411,843.29/568,050.80 = 377,961.20/x
  3. Step 3: Cross multiply
    411,843.29x = 568,050.80 × 377,961.20
  4. Step 4: Simplify right side
    411,843.29x = 214,701,157,298.90
  5. Step 5: Solve for x
    x = 214,701,157,298.90/411,843.29
  6. Step 6: Final answer
    x = 521,317.60

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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.