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Finding the Fourth Proportional to 667,466.92, 999,450.78 and 457,514.92

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Solution

The fourth proportional to 667,466.92, 999,450.78 and 457,514.92 is: 685,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,466.92 : 999,450.78 = 457,514.92 : x
  2. Step 2: Convert to fraction form
    667,466.92/999,450.78 = 457,514.92/x
  3. Step 3: Cross multiply
    667,466.92x = 999,450.78 × 457,514.92
  4. Step 4: Simplify right side
    667,466.92x = 457,263,643,655.64
  5. Step 5: Solve for x
    x = 457,263,643,655.64/667,466.92
  6. Step 6: Final answer
    x = 685,073.12

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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.