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Finding the Fourth Proportional to 430,696.54, 594,351.12 and 239,705.83

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Solution

The fourth proportional to 430,696.54, 594,351.12 and 239,705.83 is: 330,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,696.54 : 594,351.12 = 239,705.83 : x
  2. Step 2: Convert to fraction form
    430,696.54/594,351.12 = 239,705.83/x
  3. Step 3: Cross multiply
    430,696.54x = 594,351.12 × 239,705.83
  4. Step 4: Simplify right side
    430,696.54x = 142,469,428,824.52
  5. Step 5: Solve for x
    x = 142,469,428,824.52/430,696.54
  6. Step 6: Final answer
    x = 330,788.42

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1.5x scale

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.