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Finding the Fourth Proportional to 696,379.96, 960,650.60 and 454,803.94

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Solution

The fourth proportional to 696,379.96, 960,650.60 and 454,803.94 is: 627,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,379.96 : 960,650.60 = 454,803.94 : x
  2. Step 2: Convert to fraction form
    696,379.96/960,650.60 = 454,803.94/x
  3. Step 3: Cross multiply
    696,379.96x = 960,650.60 × 454,803.94
  4. Step 4: Simplify right side
    696,379.96x = 436,907,677,843.36
  5. Step 5: Solve for x
    x = 436,907,677,843.36/696,379.96
  6. Step 6: Final answer
    x = 627,398.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.