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Finding the Fourth Proportional to 741.48, 1,021.05 and 594.33

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Solution

The fourth proportional to 741.48, 1,021.05 and 594.33 is: 818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.48 : 1,021.05 = 594.33 : x
  2. Step 2: Convert to fraction form
    741.48/1,021.05 = 594.33/x
  3. Step 3: Cross multiply
    741.48x = 1,021.05 × 594.33
  4. Step 4: Simplify right side
    741.48x = 606,840.65
  5. Step 5: Solve for x
    x = 606,840.65/741.48
  6. Step 6: Final answer
    x = 818.42

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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.