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Finding the Fourth Proportional to 672,315.10, 1,008,472.65 and 590,958.70

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Solution

The fourth proportional to 672,315.10, 1,008,472.65 and 590,958.70 is: 886,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,315.10 : 1,008,472.65 = 590,958.70 : x
  2. Step 2: Convert to fraction form
    672,315.10/1,008,472.65 = 590,958.70/x
  3. Step 3: Cross multiply
    672,315.10x = 1,008,472.65 × 590,958.70
  4. Step 4: Simplify right side
    672,315.10x = 595,965,686,229.56
  5. Step 5: Solve for x
    x = 595,965,686,229.56/672,315.10
  6. Step 6: Final answer
    x = 886,438.05

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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.