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Finding the Fourth Proportional to 430,043.50, 593,431.95 and 239,049.82

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Solution

The fourth proportional to 430,043.50, 593,431.95 and 239,049.82 is: 329,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,043.50 : 593,431.95 = 239,049.82 : x
  2. Step 2: Convert to fraction form
    430,043.50/593,431.95 = 239,049.82/x
  3. Step 3: Cross multiply
    430,043.50x = 593,431.95 × 239,049.82
  4. Step 4: Simplify right side
    430,043.50x = 141,859,800,829.75
  5. Step 5: Solve for x
    x = 141,859,800,829.75/430,043.50
  6. Step 6: Final answer
    x = 329,873.14

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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.