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Finding the Fourth Proportional to 411,496.56, 567,636.63 and 239,395.20

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Solution

The fourth proportional to 411,496.56, 567,636.63 and 239,395.20 is: 330,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,496.56 : 567,636.63 = 239,395.20 : x
  2. Step 2: Convert to fraction form
    411,496.56/567,636.63 = 239,395.20/x
  3. Step 3: Cross multiply
    411,496.56x = 567,636.63 × 239,395.20
  4. Step 4: Simplify right side
    411,496.56x = 135,889,484,566.18
  5. Step 5: Solve for x
    x = 135,889,484,566.18/411,496.56
  6. Step 6: Final answer
    x = 330,232.37

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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.