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Finding the Fourth Proportional to 395,545.60, 593,334.81 and 115,062.85

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Solution

The fourth proportional to 395,545.60, 593,334.81 and 115,062.85 is: 172,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,545.60 : 593,334.81 = 115,062.85 : x
  2. Step 2: Convert to fraction form
    395,545.60/593,334.81 = 115,062.85/x
  3. Step 3: Cross multiply
    395,545.60x = 593,334.81 × 115,062.85
  4. Step 4: Simplify right side
    395,545.60x = 68,270,796,491.42
  5. Step 5: Solve for x
    x = 68,270,796,491.42/395,545.60
  6. Step 6: Final answer
    x = 172,599.05

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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.