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Finding the Fourth Proportional to 466,903.92, 699,301.80 and 279,519.60

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Solution

The fourth proportional to 466,903.92, 699,301.80 and 279,519.60 is: 418,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,903.92 : 699,301.80 = 279,519.60 : x
  2. Step 2: Convert to fraction form
    466,903.92/699,301.80 = 279,519.60/x
  3. Step 3: Cross multiply
    466,903.92x = 699,301.80 × 279,519.60
  4. Step 4: Simplify right side
    466,903.92x = 195,468,559,415.28
  5. Step 5: Solve for x
    x = 195,468,559,415.28/466,903.92
  6. Step 6: Final answer
    x = 418,648.36

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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.