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Finding the Fourth Proportional to 395,411.04, 593,203.68 and 114,950.16

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Solution

The fourth proportional to 395,411.04, 593,203.68 and 114,950.16 is: 172,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,411.04 : 593,203.68 = 114,950.16 : x
  2. Step 2: Convert to fraction form
    395,411.04/593,203.68 = 114,950.16/x
  3. Step 3: Cross multiply
    395,411.04x = 593,203.68 × 114,950.16
  4. Step 4: Simplify right side
    395,411.04x = 68,188,857,928.59
  5. Step 5: Solve for x
    x = 68,188,857,928.59/395,411.04
  6. Step 6: Final answer
    x = 172,450.57

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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.