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Finding the Fourth Proportional to 395,873.68, 593,694.40 and 111,545.32

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Solution

The fourth proportional to 395,873.68, 593,694.40 and 111,545.32 is: 167,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,873.68 : 593,694.40 = 111,545.32 : x
  2. Step 2: Convert to fraction form
    395,873.68/593,694.40 = 111,545.32/x
  3. Step 3: Cross multiply
    395,873.68x = 593,694.40 × 111,545.32
  4. Step 4: Simplify right side
    395,873.68x = 66,223,831,830.21
  5. Step 5: Solve for x
    x = 66,223,831,830.21/395,873.68
  6. Step 6: Final answer
    x = 167,285.26

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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.