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Finding the Fourth Proportional to 574,889.84, 862,269.15 and 154,133

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Solution

The fourth proportional to 574,889.84, 862,269.15 and 154,133 is: 231,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,889.84 : 862,269.15 = 154,133 : x
  2. Step 2: Convert to fraction form
    574,889.84/862,269.15 = 154,133/x
  3. Step 3: Cross multiply
    574,889.84x = 862,269.15 × 154,133
  4. Step 4: Simplify right side
    574,889.84x = 132,904,130,896.95
  5. Step 5: Solve for x
    x = 132,904,130,896.95/574,889.84
  6. Step 6: Final answer
    x = 231,181.91

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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.