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Finding the Fourth Proportional to 1,157.93, 1,736.94 and 508.67

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Solution

The fourth proportional to 1,157.93, 1,736.94 and 508.67 is: 763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.93 : 1,736.94 = 508.67 : x
  2. Step 2: Convert to fraction form
    1,157.93/1,736.94 = 508.67/x
  3. Step 3: Cross multiply
    1,157.93x = 1,736.94 × 508.67
  4. Step 4: Simplify right side
    1,157.93x = 883,529.27
  5. Step 5: Solve for x
    x = 883,529.27/1,157.93
  6. Step 6: Final answer
    x = 763.02

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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.