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Finding the Fourth Proportional to 1,157.96, 1,737.88 and 610.48

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Solution

The fourth proportional to 1,157.96, 1,737.88 and 610.48 is: 916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.96 : 1,737.88 = 610.48 : x
  2. Step 2: Convert to fraction form
    1,157.96/1,737.88 = 610.48/x
  3. Step 3: Cross multiply
    1,157.96x = 1,737.88 × 610.48
  4. Step 4: Simplify right side
    1,157.96x = 1,060,940.98
  5. Step 5: Solve for x
    x = 1,060,940.98/1,157.96
  6. Step 6: Final answer
    x = 916.22

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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.