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Finding the Fourth Proportional to 578,367.56, 867,591.98 and 178,955.88

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Solution

The fourth proportional to 578,367.56, 867,591.98 and 178,955.88 is: 268,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,367.56 : 867,591.98 = 178,955.88 : x
  2. Step 2: Convert to fraction form
    578,367.56/867,591.98 = 178,955.88/x
  3. Step 3: Cross multiply
    578,367.56x = 867,591.98 × 178,955.88
  4. Step 4: Simplify right side
    578,367.56x = 155,260,686,261.84
  5. Step 5: Solve for x
    x = 155,260,686,261.84/578,367.56
  6. Step 6: Final answer
    x = 268,446.39

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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.