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Finding the Fourth Proportional to 1,161.68, 1,740.36 and 584.96

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Solution

The fourth proportional to 1,161.68, 1,740.36 and 584.96 is: 876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.68 : 1,740.36 = 584.96 : x
  2. Step 2: Convert to fraction form
    1,161.68/1,740.36 = 584.96/x
  3. Step 3: Cross multiply
    1,161.68x = 1,740.36 × 584.96
  4. Step 4: Simplify right side
    1,161.68x = 1,018,040.99
  5. Step 5: Solve for x
    x = 1,018,040.99/1,161.68
  6. Step 6: Final answer
    x = 876.35

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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.