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Finding the Fourth Proportional to 395,665.02, 593,886.33 and 290,183.58

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Solution

The fourth proportional to 395,665.02, 593,886.33 and 290,183.58 is: 435,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,665.02 : 593,886.33 = 290,183.58 : x
  2. Step 2: Convert to fraction form
    395,665.02/593,886.33 = 290,183.58/x
  3. Step 3: Cross multiply
    395,665.02x = 593,886.33 × 290,183.58
  4. Step 4: Simplify right side
    395,665.02x = 172,336,061,352.46
  5. Step 5: Solve for x
    x = 172,336,061,352.46/395,665.02
  6. Step 6: Final answer
    x = 435,560.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.