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Finding the Fourth Proportional to 667,472, 1,000,804.34 and 262,179.05

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Solution

The fourth proportional to 667,472, 1,000,804.34 and 262,179.05 is: 393,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,472 : 1,000,804.34 = 262,179.05 : x
  2. Step 2: Convert to fraction form
    667,472/1,000,804.34 = 262,179.05/x
  3. Step 3: Cross multiply
    667,472x = 1,000,804.34 × 262,179.05
  4. Step 4: Simplify right side
    667,472x = 262,389,931,097.08
  5. Step 5: Solve for x
    x = 262,389,931,097.08/667,472
  6. Step 6: Final answer
    x = 393,110.02

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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.