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Finding the Fourth Proportional to 411,291.55, 567,571.65 and 227,536.90

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Solution

The fourth proportional to 411,291.55, 567,571.65 and 227,536.90 is: 313,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,291.55 : 567,571.65 = 227,536.90 : x
  2. Step 2: Convert to fraction form
    411,291.55/567,571.65 = 227,536.90/x
  3. Step 3: Cross multiply
    411,291.55x = 567,571.65 × 227,536.90
  4. Step 4: Simplify right side
    411,291.55x = 129,143,493,768.89
  5. Step 5: Solve for x
    x = 129,143,493,768.89/411,291.55
  6. Step 6: Final answer
    x = 313,995.01

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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.