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Finding the Fourth Proportional to 430,870.26, 594,624.52 and 239,879.46

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Solution

The fourth proportional to 430,870.26, 594,624.52 and 239,879.46 is: 331,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,870.26 : 594,624.52 = 239,879.46 : x
  2. Step 2: Convert to fraction form
    430,870.26/594,624.52 = 239,879.46/x
  3. Step 3: Cross multiply
    430,870.26x = 594,624.52 × 239,879.46
  4. Step 4: Simplify right side
    430,870.26x = 142,638,208,760.36
  5. Step 5: Solve for x
    x = 142,638,208,760.36/430,870.26
  6. Step 6: Final answer
    x = 331,046.77

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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.