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Finding the Fourth Proportional to 411,308.78, 567,670.29 and 250,214.36

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Solution

The fourth proportional to 411,308.78, 567,670.29 and 250,214.36 is: 345,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,308.78 : 567,670.29 = 250,214.36 : x
  2. Step 2: Convert to fraction form
    411,308.78/567,670.29 = 250,214.36/x
  3. Step 3: Cross multiply
    411,308.78x = 567,670.29 × 250,214.36
  4. Step 4: Simplify right side
    411,308.78x = 142,039,258,303.36
  5. Step 5: Solve for x
    x = 142,039,258,303.36/411,308.78
  6. Step 6: Final answer
    x = 345,334.86

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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.