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Finding the Fourth Proportional to 563,509.48, 844,819.50 and 279,297.90

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Solution

The fourth proportional to 563,509.48, 844,819.50 and 279,297.90 is: 418,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,509.48 : 844,819.50 = 279,297.90 : x
  2. Step 2: Convert to fraction form
    563,509.48/844,819.50 = 279,297.90/x
  3. Step 3: Cross multiply
    563,509.48x = 844,819.50 × 279,297.90
  4. Step 4: Simplify right side
    563,509.48x = 235,956,312,229.05
  5. Step 5: Solve for x
    x = 235,956,312,229.05/563,509.48
  6. Step 6: Final answer
    x = 418,726.43

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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.