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Finding the Fourth Proportional to 543,796.11, 814,855.82 and 291,110.13

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Solution

The fourth proportional to 543,796.11, 814,855.82 and 291,110.13 is: 436,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,796.11 : 814,855.82 = 291,110.13 : x
  2. Step 2: Convert to fraction form
    543,796.11/814,855.82 = 291,110.13/x
  3. Step 3: Cross multiply
    543,796.11x = 814,855.82 × 291,110.13
  4. Step 4: Simplify right side
    543,796.11x = 237,212,782,235.91
  5. Step 5: Solve for x
    x = 237,212,782,235.91/543,796.11
  6. Step 6: Final answer
    x = 436,216.40

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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.