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Finding the Fourth Proportional to 411,056.96, 567,330.80 and 239,028.16

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Solution

The fourth proportional to 411,056.96, 567,330.80 and 239,028.16 is: 329,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,056.96 : 567,330.80 = 239,028.16 : x
  2. Step 2: Convert to fraction form
    411,056.96/567,330.80 = 239,028.16/x
  3. Step 3: Cross multiply
    411,056.96x = 567,330.80 × 239,028.16
  4. Step 4: Simplify right side
    411,056.96x = 135,608,033,203.53
  5. Step 5: Solve for x
    x = 135,608,033,203.53/411,056.96
  6. Step 6: Final answer
    x = 329,900.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.