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Finding the Fourth Proportional to 411,840.14, 568,335.04 and 230,553.56

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Solution

The fourth proportional to 411,840.14, 568,335.04 and 230,553.56 is: 318,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,840.14 : 568,335.04 = 230,553.56 : x
  2. Step 2: Convert to fraction form
    411,840.14/568,335.04 = 230,553.56/x
  3. Step 3: Cross multiply
    411,840.14x = 568,335.04 × 230,553.56
  4. Step 4: Simplify right side
    411,840.14x = 131,031,666,744.74
  5. Step 5: Solve for x
    x = 131,031,666,744.74/411,840.14
  6. Step 6: Final answer
    x = 318,161.48

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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.