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Finding the Fourth Proportional to 574,890.84, 862,270.65 and 154,134

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Solution

The fourth proportional to 574,890.84, 862,270.65 and 154,134 is: 231,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,890.84 : 862,270.65 = 154,134 : x
  2. Step 2: Convert to fraction form
    574,890.84/862,270.65 = 154,134/x
  3. Step 3: Cross multiply
    574,890.84x = 862,270.65 × 154,134
  4. Step 4: Simplify right side
    574,890.84x = 132,905,224,367.10
  5. Step 5: Solve for x
    x = 132,905,224,367.10/574,890.84
  6. Step 6: Final answer
    x = 231,183.41

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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.