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Finding the Fourth Proportional to 395,816.67, 593,874.45 and 238,155.84

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Solution

The fourth proportional to 395,816.67, 593,874.45 and 238,155.84 is: 357,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,816.67 : 593,874.45 = 238,155.84 : x
  2. Step 2: Convert to fraction form
    395,816.67/593,874.45 = 238,155.84/x
  3. Step 3: Cross multiply
    395,816.67x = 593,874.45 × 238,155.84
  4. Step 4: Simplify right side
    395,816.67x = 141,434,668,494.29
  5. Step 5: Solve for x
    x = 141,434,668,494.29/395,816.67
  6. Step 6: Final answer
    x = 357,323.68

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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.