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Finding the Fourth Proportional to 837.12, 1,153.26 and 588

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Solution

The fourth proportional to 837.12, 1,153.26 and 588 is: 810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.12 : 1,153.26 = 588 : x
  2. Step 2: Convert to fraction form
    837.12/1,153.26 = 588/x
  3. Step 3: Cross multiply
    837.12x = 1,153.26 × 588
  4. Step 4: Simplify right side
    837.12x = 678,116.88
  5. Step 5: Solve for x
    x = 678,116.88/837.12
  6. Step 6: Final answer
    x = 810.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.