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Finding the Fourth Proportional to 395,358.53, 593,095.73 and 125,396.60

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Solution

The fourth proportional to 395,358.53, 593,095.73 and 125,396.60 is: 188,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,358.53 : 593,095.73 = 125,396.60 : x
  2. Step 2: Convert to fraction form
    395,358.53/593,095.73 = 125,396.60/x
  3. Step 3: Cross multiply
    395,358.53x = 593,095.73 × 125,396.60
  4. Step 4: Simplify right side
    395,358.53x = 74,372,184,424.06
  5. Step 5: Solve for x
    x = 74,372,184,424.06/395,358.53
  6. Step 6: Final answer
    x = 188,113.27

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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.