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Finding the Fourth Proportional to 429,963.67, 593,510.91 and 322,843.20

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Solution

The fourth proportional to 429,963.67, 593,510.91 and 322,843.20 is: 445,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,963.67 : 593,510.91 = 322,843.20 : x
  2. Step 2: Convert to fraction form
    429,963.67/593,510.91 = 322,843.20/x
  3. Step 3: Cross multiply
    429,963.67x = 593,510.91 × 322,843.20
  4. Step 4: Simplify right side
    429,963.67x = 191,610,961,419.31
  5. Step 5: Solve for x
    x = 191,610,961,419.31/429,963.67
  6. Step 6: Final answer
    x = 445,644.54

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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.