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Finding the Fourth Proportional to 395,404.04, 593,193.18 and 114,943.16

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Solution

The fourth proportional to 395,404.04, 593,193.18 and 114,943.16 is: 172,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,404.04 : 593,193.18 = 114,943.16 : x
  2. Step 2: Convert to fraction form
    395,404.04/593,193.18 = 114,943.16/x
  3. Step 3: Cross multiply
    395,404.04x = 593,193.18 × 114,943.16
  4. Step 4: Simplify right side
    395,404.04x = 68,183,498,599.65
  5. Step 5: Solve for x
    x = 68,183,498,599.65/395,404.04
  6. Step 6: Final answer
    x = 172,440.07

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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.