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Finding the Fourth Proportional to 1,153.92, 1,731.36 and 504.48

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Solution

The fourth proportional to 1,153.92, 1,731.36 and 504.48 is: 756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.92 : 1,731.36 = 504.48 : x
  2. Step 2: Convert to fraction form
    1,153.92/1,731.36 = 504.48/x
  3. Step 3: Cross multiply
    1,153.92x = 1,731.36 × 504.48
  4. Step 4: Simplify right side
    1,153.92x = 873,436.49
  5. Step 5: Solve for x
    x = 873,436.49/1,153.92
  6. Step 6: Final answer
    x = 756.93

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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.