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Finding the Fourth Proportional to 630,793.64, 946,314.84 and 231,438.08

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Solution

The fourth proportional to 630,793.64, 946,314.84 and 231,438.08 is: 347,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,793.64 : 946,314.84 = 231,438.08 : x
  2. Step 2: Convert to fraction form
    630,793.64/946,314.84 = 231,438.08/x
  3. Step 3: Cross multiply
    630,793.64x = 946,314.84 × 231,438.08
  4. Step 4: Simplify right side
    630,793.64x = 219,013,289,645.11
  5. Step 5: Solve for x
    x = 219,013,289,645.11/630,793.64
  6. Step 6: Final answer
    x = 347,202.76

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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.