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Finding the Fourth Proportional to 563,263.20, 844,618.32 and 278,624.88

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Solution

The fourth proportional to 563,263.20, 844,618.32 and 278,624.88 is: 417,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,263.20 : 844,618.32 = 278,624.88 : x
  2. Step 2: Convert to fraction form
    563,263.20/844,618.32 = 278,624.88/x
  3. Step 3: Cross multiply
    563,263.20x = 844,618.32 × 278,624.88
  4. Step 4: Simplify right side
    563,263.20x = 235,331,678,055.80
  5. Step 5: Solve for x
    x = 235,331,678,055.80/563,263.20
  6. Step 6: Final answer
    x = 417,800.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.