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Finding the Fourth Proportional to 1,090.26, 1,504.55 and 592.89

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Solution

The fourth proportional to 1,090.26, 1,504.55 and 592.89 is: 818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.26 : 1,504.55 = 592.89 : x
  2. Step 2: Convert to fraction form
    1,090.26/1,504.55 = 592.89/x
  3. Step 3: Cross multiply
    1,090.26x = 1,504.55 × 592.89
  4. Step 4: Simplify right side
    1,090.26x = 892,029.69
  5. Step 5: Solve for x
    x = 892,029.69/1,090.26
  6. Step 6: Final answer
    x = 818.18

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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.