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Finding the Fourth Proportional to 844.88, 1,165.58 and 529.93

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Solution

The fourth proportional to 844.88, 1,165.58 and 529.93 is: 731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.88 : 1,165.58 = 529.93 : x
  2. Step 2: Convert to fraction form
    844.88/1,165.58 = 529.93/x
  3. Step 3: Cross multiply
    844.88x = 1,165.58 × 529.93
  4. Step 4: Simplify right side
    844.88x = 617,676.60
  5. Step 5: Solve for x
    x = 617,676.60/844.88
  6. Step 6: Final answer
    x = 731.08

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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.