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Finding the Fourth Proportional to 575.09, 792.95 and 365.03

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Solution

The fourth proportional to 575.09, 792.95 and 365.03 is: 503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.09 : 792.95 = 365.03 : x
  2. Step 2: Convert to fraction form
    575.09/792.95 = 365.03/x
  3. Step 3: Cross multiply
    575.09x = 792.95 × 365.03
  4. Step 4: Simplify right side
    575.09x = 289,450.54
  5. Step 5: Solve for x
    x = 289,450.54/575.09
  6. Step 6: Final answer
    x = 503.31

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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.