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Finding the Fourth Proportional to 297,124.40, 444,811.80 and 279,822.80

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Solution

The fourth proportional to 297,124.40, 444,811.80 and 279,822.80 is: 418,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,124.40 : 444,811.80 = 279,822.80 : x
  2. Step 2: Convert to fraction form
    297,124.40/444,811.80 = 279,822.80/x
  3. Step 3: Cross multiply
    297,124.40x = 444,811.80 × 279,822.80
  4. Step 4: Simplify right side
    297,124.40x = 124,468,483,349.04
  5. Step 5: Solve for x
    x = 124,468,483,349.04/297,124.40
  6. Step 6: Final answer
    x = 418,910.34

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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.