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Finding the Fourth Proportional to 566,317.62, 781,342.29 and 321,262.02

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Solution

The fourth proportional to 566,317.62, 781,342.29 and 321,262.02 is: 443,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,317.62 : 781,342.29 = 321,262.02 : x
  2. Step 2: Convert to fraction form
    566,317.62/781,342.29 = 321,262.02/x
  3. Step 3: Cross multiply
    566,317.62x = 781,342.29 × 321,262.02
  4. Step 4: Simplify right side
    566,317.62x = 251,015,602,396.83
  5. Step 5: Solve for x
    x = 251,015,602,396.83/566,317.62
  6. Step 6: Final answer
    x = 443,241.73

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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.