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Finding the Fourth Proportional to 411,419.56, 567,741.54 and 239,337.94

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Solution

The fourth proportional to 411,419.56, 567,741.54 and 239,337.94 is: 330,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,419.56 : 567,741.54 = 239,337.94 : x
  2. Step 2: Convert to fraction form
    411,419.56/567,741.54 = 239,337.94/x
  3. Step 3: Cross multiply
    411,419.56x = 567,741.54 × 239,337.94
  4. Step 4: Simplify right side
    411,419.56x = 135,882,090,636.03
  5. Step 5: Solve for x
    x = 135,882,090,636.03/411,419.56
  6. Step 6: Final answer
    x = 330,276.20

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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.