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Finding the Fourth Proportional to 395,568.54, 593,742.65 and 281,842.67

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Solution

The fourth proportional to 395,568.54, 593,742.65 and 281,842.67 is: 423,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,568.54 : 593,742.65 = 281,842.67 : x
  2. Step 2: Convert to fraction form
    395,568.54/593,742.65 = 281,842.67/x
  3. Step 3: Cross multiply
    395,568.54x = 593,742.65 × 281,842.67
  4. Step 4: Simplify right side
    395,568.54x = 167,342,013,844.02
  5. Step 5: Solve for x
    x = 167,342,013,844.02/395,568.54
  6. Step 6: Final answer
    x = 423,041.77

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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.