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Finding the Fourth Proportional to 663,394.10, 995,607.83 and 462,406.07

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Solution

The fourth proportional to 663,394.10, 995,607.83 and 462,406.07 is: 693,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,394.10 : 995,607.83 = 462,406.07 : x
  2. Step 2: Convert to fraction form
    663,394.10/995,607.83 = 462,406.07/x
  3. Step 3: Cross multiply
    663,394.10x = 995,607.83 × 462,406.07
  4. Step 4: Simplify right side
    663,394.10x = 460,375,107,576.56
  5. Step 5: Solve for x
    x = 460,375,107,576.56/663,394.10
  6. Step 6: Final answer
    x = 693,969.26

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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.