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Finding the Fourth Proportional to 707,076.02, 1,060,191 and 479,651.12

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Solution

The fourth proportional to 707,076.02, 1,060,191 and 479,651.12 is: 719,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,076.02 : 1,060,191 = 479,651.12 : x
  2. Step 2: Convert to fraction form
    707,076.02/1,060,191 = 479,651.12/x
  3. Step 3: Cross multiply
    707,076.02x = 1,060,191 × 479,651.12
  4. Step 4: Simplify right side
    707,076.02x = 508,521,800,563.92
  5. Step 5: Solve for x
    x = 508,521,800,563.92/707,076.02
  6. Step 6: Final answer
    x = 719,189.71

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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.