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Finding the Fourth Proportional to 1,090.08, 1,504.26 and 592.68

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Solution

The fourth proportional to 1,090.08, 1,504.26 and 592.68 is: 817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.08 : 1,504.26 = 592.68 : x
  2. Step 2: Convert to fraction form
    1,090.08/1,504.26 = 592.68/x
  3. Step 3: Cross multiply
    1,090.08x = 1,504.26 × 592.68
  4. Step 4: Simplify right side
    1,090.08x = 891,544.82
  5. Step 5: Solve for x
    x = 891,544.82/1,090.08
  6. Step 6: Final answer
    x = 817.87

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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.