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Finding the Fourth Proportional to 430,910.48, 594,660.59 and 239,927.97

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Solution

The fourth proportional to 430,910.48, 594,660.59 and 239,927.97 is: 331,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,910.48 : 594,660.59 = 239,927.97 : x
  2. Step 2: Convert to fraction form
    430,910.48/594,660.59 = 239,927.97/x
  3. Step 3: Cross multiply
    430,910.48x = 594,660.59 × 239,927.97
  4. Step 4: Simplify right side
    430,910.48x = 142,675,710,127.77
  5. Step 5: Solve for x
    x = 142,675,710,127.77/430,910.48
  6. Step 6: Final answer
    x = 331,102.90

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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.